diff --git a/package.json b/package.json
index b339ded6..3efb8ae1 100644
--- a/package.json
+++ b/package.json
@@ -39,6 +39,7 @@
     "@tanstack/svelte-query-devtools": "^6.0.2",
     "@types/node": "^22",
     "@vitest/browser": "^3.2.3",
+    "echarts": "^5.6.0",
     "eslint": "^9.18.0",
     "eslint-config-prettier": "^10.0.1",
     "eslint-plugin-storybook": "^10.1.2",
@@ -52,6 +53,7 @@
     "storybook": "^10.1.2",
     "svelte": "^5.0.0",
     "svelte-check": "^4.0.0",
+    "svelte-echarts": "^1.0.0",
     "svelte-preprocess": "^6.0.3",
     "typescript": "^5.0.0",
     "typescript-eslint": "^8.20.0",
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index d3095916..d7abb837 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -108,6 +108,9 @@ importers:
       '@vitest/browser':
         specifier: ^3.2.3
         version: 3.2.4(playwright@1.55.0)(vite@7.1.5(@types/node@22.18.1)(sass@1.92.1))(vitest@3.2.4)
+      echarts:
+        specifier: ^5.6.0
+        version: 5.6.0
       eslint:
         specifier: ^9.18.0
         version: 9.35.0
@@ -147,6 +150,9 @@ importers:
       svelte-check:
         specifier: ^4.0.0
         version: 4.3.1(picomatch@4.0.3)(svelte@5.38.7)(typescript@5.9.2)
+      svelte-echarts:
+        specifier: ^1.0.0
+        version: 1.0.0(echarts@5.6.0)(svelte@5.38.7)
       svelte-preprocess:
         specifier: ^6.0.3
         version: 6.0.3(postcss-load-config@3.1.4(postcss@8.5.6))(postcss@8.5.6)(sass@1.92.1)(svelte@5.38.7)(typescript@5.9.2)
@@ -1607,6 +1613,9 @@ packages:
   dom-accessibility-api@0.6.3:
     resolution: {integrity: sha512-7ZgogeTnjuHbo+ct10G9Ffp0mif17idi0IyWNVA/wcwcm7NPOD/WEHVP3n7n3MhXqxoIYm8d6MuZohYWIZ4T3w==}
 
+  echarts@5.6.0:
+    resolution: {integrity: sha512-oTbVTsXfKuEhxftHqL5xprgLoc0k7uScAwtryCgWF6hPYFLRwOUHiFmHGCBKP5NPFNkDVopOieyUqYGH8Fa3kA==}
+
   entities@4.5.0:
     resolution: {integrity: sha512-V0hjH4dGPh9Ao5p0MoRY6BVqtwCjhz6vI5LT8AJ55H+4g9/4vbHx1I54fS0XuclLhDHArPQCiMjDxjaL8fPxhw==}
     engines: {node: '>=0.12'}
@@ -2519,6 +2528,12 @@ packages:
       svelte: ^4.0.0 || ^5.0.0-next.0
       typescript: '>=5.0.0'
 
+  svelte-echarts@1.0.0:
+    resolution: {integrity: sha512-o0VgdxGJt+Km+IrxNo35qTJFqDsvj65p7JwAlIrk7CsWjBKKniJaUV6hKbMDNf0S34Su0idWbWEdymJNPX3anA==}
+    peerDependencies:
+      echarts: ^5.0.0
+      svelte: '>=5'
+
   svelte-eslint-parser@1.3.1:
     resolution: {integrity: sha512-0Iztj5vcOVOVkhy1pbo5uA9r+d3yaVoE5XPc9eABIWDOSJZ2mOsZ4D+t45rphWCOr0uMw3jtSG2fh2e7GvKnPg==}
     engines: {node: ^18.18.0 || ^20.9.0 || >=21.1.0}
@@ -2638,6 +2653,9 @@ packages:
     resolution: {integrity: sha512-q5W7tVM71e2xjHZTlgfTDoPF/SmqKG5hddq9SzR49CH2hayqRKJtQ4mtRlSxKaJlR/+9rEM+mnBHf7I2/BQcpQ==}
     engines: {node: '>=6.10'}
 
+  tslib@2.3.0:
+    resolution: {integrity: sha512-N82ooyxVNm6h1riLCoyS9e3fuJ3AMG2zIZs2Gd1ATcSFjSA23Q0fzjjZeh0jbJvWVDZ0cJT8yaNNaaXHzueNjg==}
+
   tslib@2.8.1:
     resolution: {integrity: sha512-oJFu94HQb+KVduSUQL7wnpmqnfmLsOA/nAh6b6EH0wCEoK0/mPeXU6c3wKDV83MkOuHPRHtSXKKU99IBazS/2w==}
 
@@ -2885,6 +2903,9 @@ packages:
   zod@4.1.5:
     resolution: {integrity: sha512-rcUUZqlLJgBC33IT3PNMgsCq6TzLQEG/Ei/KTCU0PedSWRMAXoOUN+4t/0H+Q8bdnLPdqUYnvboJT0bn/229qg==}
 
+  zrender@5.6.1:
+    resolution: {integrity: sha512-OFXkDJKcrlx5su2XbzJvj/34Q3m6PvyCZkVPHGYpcCJ52ek4U/ymZyfuV1nKE23AyBJ51E/6Yr0mhZ7xGTO4ag==}
+
   zwitch@2.0.4:
     resolution: {integrity: sha512-bXE4cR/kVZhKZX/RjPEflHaKVhUVl85noU3v6b8apfQEc1x4A+zBxjZ4lN8LqGd6WZ3dl98pY4o717VFmoPp+A==}
 
@@ -4291,6 +4312,11 @@ snapshots:
 
   dom-accessibility-api@0.6.3: {}
 
+  echarts@5.6.0:
+    dependencies:
+      tslib: 2.3.0
+      zrender: 5.6.1
+
   entities@4.5.0: {}
 
   es-module-lexer@1.7.0: {}
@@ -5422,6 +5448,11 @@ snapshots:
     transitivePeerDependencies:
       - picomatch
 
+  svelte-echarts@1.0.0(echarts@5.6.0)(svelte@5.38.7):
+    dependencies:
+      echarts: 5.6.0
+      svelte: 5.38.7
+
   svelte-eslint-parser@1.3.1(svelte@5.38.7):
     dependencies:
       eslint-scope: 8.4.0
@@ -5515,6 +5546,8 @@ snapshots:
 
   ts-dedent@2.2.0: {}
 
+  tslib@2.3.0: {}
+
   tslib@2.8.1: {}
 
   type-check@0.4.0:
@@ -5758,4 +5791,8 @@ snapshots:
 
   zod@4.1.5: {}
 
+  zrender@5.6.1:
+    dependencies:
+      tslib: 2.3.0
+
   zwitch@2.0.4: {}
diff --git a/src/lib/components/charts/GwCrewBattleChart.svelte b/src/lib/components/charts/GwCrewBattleChart.svelte
new file mode 100644
index 00000000..11262d87
--- /dev/null
+++ b/src/lib/components/charts/GwCrewBattleChart.svelte
@@ -0,0 +1,83 @@
+<svelte:options runes={true} />
+
+<script lang="ts">
+	import { Chart } from 'svelte-echarts'
+	import { init, CHART_FONT_FAMILY } from './echarts-setup'
+	import { formatScore, formatScoreCompact } from '$lib/utils/gw'
+	import type { GwChartDataPoint } from '$lib/types/api/gw'
+
+	interface Props {
+		data: GwChartDataPoint[]
+		height?: number
+	}
+
+	let { data, height = 300 }: Props = $props()
+
+	const options = $derived({
+		textStyle: { fontFamily: CHART_FONT_FAMILY },
+		tooltip: {
+			trigger: 'axis' as const,
+			formatter: (params: unknown) => {
+				const p = params as Array<{ seriesName: string; value: number; name: string }>
+				if (!p[0]) return ''
+				const crew = p.find((item) => item.seriesName === 'Our Crew')
+				const opp = p.find((item) => item.seriesName === 'Opponent')
+				return `${p[0].name}<br/>Our Crew: ${formatScore(crew?.value ?? 0)}<br/>Opponent: ${formatScore(opp?.value ?? 0)}`
+			}
+		},
+		legend: {
+			data: ['Our Crew', 'Opponent'],
+			bottom: 0
+		},
+		grid: {
+			left: 48,
+			right: 16,
+			top: 24,
+			bottom: 48
+		},
+		xAxis: {
+			type: 'category' as const,
+			data: data.map((d) => d.roundLabel),
+			axisLabel: { fontSize: 11 }
+		},
+		yAxis: {
+			type: 'value' as const,
+			axisLabel: {
+				formatter: (v: number) => formatScoreCompact(v),
+				fontSize: 11
+			}
+		},
+		series: [
+			{
+				name: 'Our Crew',
+				type: 'line' as const,
+				data: data.map((d) => d.crewScore),
+				smooth: true,
+				symbol: 'circle',
+				symbolSize: 8,
+				lineStyle: { width: 2, color: '#2563eb' },
+				itemStyle: { color: '#2563eb' }
+			},
+			{
+				name: 'Opponent',
+				type: 'line' as const,
+				data: data.map((d) => d.opponentScore),
+				smooth: true,
+				symbol: 'diamond',
+				symbolSize: 8,
+				lineStyle: { width: 2, color: '#dc2626' },
+				itemStyle: { color: '#dc2626' }
+			}
+		]
+	})
+</script>
+
+<div class="chart-container" style:height="{height}px">
+	<Chart {init} {options} />
+</div>
+
+<style lang="scss">
+	.chart-container {
+		width: 100%;
+	}
+</style>
diff --git a/src/lib/components/charts/GwCrewHistoryChart.svelte b/src/lib/components/charts/GwCrewHistoryChart.svelte
new file mode 100644
index 00000000..629fe757
--- /dev/null
+++ b/src/lib/components/charts/GwCrewHistoryChart.svelte
@@ -0,0 +1,129 @@
+<svelte:options runes={true} />
+
+<script lang="ts">
+	import { Chart } from 'svelte-echarts'
+	import { init, CHART_FONT_FAMILY } from './echarts-setup'
+	import { formatScore, formatScoreCompact, type HistoryDataPoint } from '$lib/utils/gw'
+
+	interface Props {
+		data: HistoryDataPoint[]
+		height?: number
+	}
+
+	let { data, height = 350 }: Props = $props()
+
+	// Calculate ~2 years of events (roughly 12 GWs per year = 24 events)
+	const defaultViewportSize = 24
+	const startPercent = $derived(
+		data.length > defaultViewportSize
+			? ((data.length - defaultViewportSize) / data.length) * 100
+			: 0
+	)
+
+	const options = $derived({
+		textStyle: { fontFamily: CHART_FONT_FAMILY },
+		tooltip: {
+			trigger: 'axis' as const,
+			formatter: (params: unknown) => {
+				const p = params as Array<{ name: string; value: number; dataIndex: number }>
+				const point = p[0]
+				if (!point) return ''
+				const dataPoint = data[point.dataIndex]
+				return `${point.name}<br/>Score: ${formatScore(point.value)}<br/>${dataPoint?.date ?? ''}`
+			}
+		},
+		toolbox: {
+			feature: {
+				dataZoom: {
+					yAxisIndex: 'none' as const,
+					title: { zoom: 'Zoom', back: 'Reset' }
+				},
+				restore: { title: 'Reset' }
+			},
+			right: 20
+		},
+		dataZoom: [
+			{
+				type: 'slider' as const,
+				xAxisIndex: 0,
+				start: startPercent,
+				end: 100,
+				height: 30,
+				bottom: 10,
+				borderColor: 'transparent',
+				backgroundColor: 'rgba(0,0,0,0.05)',
+				fillerColor: 'rgba(37,99,235,0.2)',
+				handleStyle: { color: '#2563eb' }
+			},
+			{
+				type: 'inside' as const,
+				xAxisIndex: 0,
+				start: startPercent,
+				end: 100,
+				zoomOnMouseWheel: 'shift',
+				moveOnMouseMove: true,
+				moveOnMouseWheel: true
+			}
+		],
+		grid: {
+			left: 48,
+			right: 16,
+			bottom: 80,
+			top: 40
+		},
+		xAxis: {
+			type: 'category' as const,
+			data: data.map((d) => d.eventLabel),
+			axisLabel: {
+				rotate: 45,
+				interval: 'auto' as const,
+				fontSize: 11
+			}
+		},
+		yAxis: {
+			type: 'value' as const,
+			axisLabel: {
+				formatter: (v: number) => formatScoreCompact(v),
+				fontSize: 11
+			}
+		},
+		series: [
+			{
+				type: 'line' as const,
+				data: data.map((d) => d.totalScore),
+				smooth: true,
+				symbol: 'circle',
+				symbolSize: 8,
+				lineStyle: { width: 2, color: '#2563eb' },
+				itemStyle: { color: '#2563eb' },
+				areaStyle: { opacity: 0.1, color: '#2563eb' }
+			}
+		]
+	})
+</script>
+
+<div class="chart-wrapper">
+	<div class="chart-container" style:height="{height}px">
+		<Chart {init} {options} />
+	</div>
+	<p class="chart-hint">Drag to pan &bull; Shift+scroll to zoom &bull; Use slider below chart</p>
+</div>
+
+<style lang="scss">
+	@use '$src/themes/typography' as typography;
+
+	.chart-wrapper {
+		width: 100%;
+	}
+
+	.chart-container {
+		width: 100%;
+	}
+
+	.chart-hint {
+		text-align: center;
+		font-size: typography.$font-small;
+		color: var(--text-tertiary);
+		margin: 4px 0 0;
+	}
+</style>
diff --git a/src/lib/components/charts/GwMultiPlayerChart.svelte b/src/lib/components/charts/GwMultiPlayerChart.svelte
new file mode 100644
index 00000000..2971fdbb
--- /dev/null
+++ b/src/lib/components/charts/GwMultiPlayerChart.svelte
@@ -0,0 +1,124 @@
+<svelte:options runes={true} />
+
+<script lang="ts">
+	import { Chart } from 'svelte-echarts'
+	import { init, CHART_FONT_FAMILY } from './echarts-setup'
+	import { formatScore, formatScoreCompact, type PlayerRoundScore } from '$lib/utils/gw'
+
+	interface Props {
+		playerScores: Map<string, { name: string; scores: PlayerRoundScore[] }>
+		height?: number
+	}
+
+	let { playerScores, height = 400 }: Props = $props()
+
+	// Color palette for 30 players
+	const colors = [
+		'#2563eb',
+		'#dc2626',
+		'#16a34a',
+		'#ca8a04',
+		'#9333ea',
+		'#0891b2',
+		'#ea580c',
+		'#db2777',
+		'#4f46e5',
+		'#65a30d',
+		'#0d9488',
+		'#be185d',
+		'#7c3aed',
+		'#b91c1c',
+		'#047857',
+		'#a16207',
+		'#6366f1',
+		'#c2410c',
+		'#0369a1',
+		'#4338ca',
+		'#15803d',
+		'#b45309',
+		'#7e22ce',
+		'#e11d48',
+		'#059669',
+		'#d97706',
+		'#8b5cf6',
+		'#f43f5e',
+		'#10b981',
+		'#f59e0b'
+	]
+
+	// Get round labels from first player
+	const roundLabels = $derived([...playerScores.values()][0]?.scores.map((s) => s.roundLabel) ?? [])
+
+	// Get player list for legend
+	const playerList = $derived([...playerScores.values()].map((p) => p.name))
+
+	// Default: top 5 players visible
+	const defaultSelected = $derived(
+		Object.fromEntries([...playerScores.values()].map((p, i) => [p.name, i < 5]))
+	)
+
+	const options = $derived({
+		textStyle: { fontFamily: CHART_FONT_FAMILY },
+		tooltip: {
+			trigger: 'axis' as const,
+			formatter: (params: unknown) => {
+				const p = params as Array<{
+					marker: string
+					seriesName: string
+					value: number
+					name: string
+				}>
+				if (!p[0]) return ''
+				const sorted = [...p].sort((a, b) => b.value - a.value).slice(0, 10)
+				const lines = sorted.map(
+					(item) => `${item.marker} ${item.seriesName}: ${formatScore(item.value)}`
+				)
+				return `${p[0].name}<br/>${lines.join('<br/>')}`
+			}
+		},
+		legend: {
+			type: 'scroll' as const,
+			bottom: 0,
+			data: playerList,
+			selected: defaultSelected
+		},
+		grid: {
+			left: 48,
+			right: 16,
+			top: 24,
+			bottom: 80
+		},
+		xAxis: {
+			type: 'category' as const,
+			data: roundLabels,
+			axisLabel: { fontSize: 11 }
+		},
+		yAxis: {
+			type: 'value' as const,
+			axisLabel: {
+				formatter: (v: number) => formatScoreCompact(v),
+				fontSize: 11
+			}
+		},
+		series: [...playerScores.entries()].map(([, player], i) => ({
+			name: player.name,
+			type: 'line' as const,
+			data: player.scores.map((s) => s.cumulative),
+			smooth: true,
+			symbol: 'circle',
+			symbolSize: 6,
+			itemStyle: { color: colors[i % colors.length] },
+			lineStyle: { width: 2 }
+		}))
+	})
+</script>
+
+<div class="chart-container" style:height="{height}px">
+	<Chart {init} {options} />
+</div>
+
+<style lang="scss">
+	.chart-container {
+		width: 100%;
+	}
+</style>
diff --git a/src/lib/components/charts/GwScoreLineChart.svelte b/src/lib/components/charts/GwScoreLineChart.svelte
new file mode 100644
index 00000000..2b01a7b5
--- /dev/null
+++ b/src/lib/components/charts/GwScoreLineChart.svelte
@@ -0,0 +1,71 @@
+<svelte:options runes={true} />
+
+<script lang="ts">
+	import { Chart } from 'svelte-echarts'
+	import { init, CHART_FONT_FAMILY } from './echarts-setup'
+	import { formatScore, formatScoreCompact, type PlayerRoundScore } from '$lib/utils/gw'
+
+	interface Props {
+		data: PlayerRoundScore[]
+		title?: string
+		height?: number
+	}
+
+	let { data, title, height = 300 }: Props = $props()
+
+	const options = $derived({
+		textStyle: { fontFamily: CHART_FONT_FAMILY },
+		title: title
+			? { text: title, left: 'center', textStyle: { fontSize: 14, fontFamily: CHART_FONT_FAMILY } }
+			: undefined,
+		tooltip: {
+			trigger: 'axis' as const,
+			formatter: (params: unknown) => {
+				const p = params as Array<{ name: string; value: number }>
+				const point = p[0]
+				if (!point) return ''
+				return `${point.name}<br/>Score: ${formatScore(point.value)}`
+			}
+		},
+		grid: {
+			left: 48,
+			right: 16,
+			top: title ? 40 : 24,
+			bottom: 40
+		},
+		xAxis: {
+			type: 'category' as const,
+			data: data.map((d) => d.roundLabel),
+			axisLabel: { rotate: 45, fontSize: 11 }
+		},
+		yAxis: {
+			type: 'value' as const,
+			axisLabel: {
+				formatter: (v: number) => formatScoreCompact(v),
+				fontSize: 11
+			}
+		},
+		series: [
+			{
+				type: 'line' as const,
+				data: data.map((d) => d.cumulative),
+				smooth: true,
+				symbol: 'circle',
+				symbolSize: 8,
+				lineStyle: { width: 2, color: '#2563eb' },
+				itemStyle: { color: '#2563eb' },
+				areaStyle: { opacity: 0.1, color: '#2563eb' }
+			}
+		]
+	})
+</script>
+
+<div class="chart-container" style:height="{height}px">
+	<Chart {init} {options} />
+</div>
+
+<style lang="scss">
+	.chart-container {
+		width: 100%;
+	}
+</style>
diff --git a/src/lib/components/charts/echarts-setup.ts b/src/lib/components/charts/echarts-setup.ts
new file mode 100644
index 00000000..86889756
--- /dev/null
+++ b/src/lib/components/charts/echarts-setup.ts
@@ -0,0 +1,35 @@
+/**
+ * ECharts Setup Module
+ *
+ * Configures tree-shaking for ECharts by only importing the components we need.
+ * This keeps the bundle size reasonable while providing full chart functionality.
+ */
+
+import { init, use } from 'echarts/core'
+import { LineChart } from 'echarts/charts'
+import {
+	GridComponent,
+	TooltipComponent,
+	LegendComponent,
+	TitleComponent,
+	DataZoomComponent,
+	ToolboxComponent
+} from 'echarts/components'
+import { CanvasRenderer } from 'echarts/renderers'
+
+// Register only the components we need
+use([
+	LineChart,
+	GridComponent,
+	TooltipComponent,
+	LegendComponent,
+	TitleComponent,
+	DataZoomComponent,
+	ToolboxComponent,
+	CanvasRenderer
+])
+
+// Shared font family matching the app's typography
+export const CHART_FONT_FAMILY = "'AGrot', system-ui, sans-serif"
+
+export { init }