Ko-Chi Chang

Country: TPE
Ko-Chi Chang

Doubles rating

1,694

Δ -5.6 recent

Matches tracked

168

Across rated competitions

Volatility

70

σ (lower is steadier)

Rating overview

Doubles

Latest μ

1,694

-5.6

Lifetime high
1,735 · Sep 11, 2024
Lifetime low
1,399 · Nov 22, 2023
Cadence
weekly
Sample size
74

Volatility

Consistency snapshot

σ now
70
30 day change
-14.7
Inactive streak
29 days
Status
High

Recent streaks

  • Win streakJun 19, 2024Jun 26, 2024 · 30 matches · Δ +619.9
  • Losing stretchMar 29, 2024Jun 19, 2024 · 35 matches · Δ -239.1

Form guide

Performance windows

last_30d

6-6

Matches
12
Net Δ
-2.4
Avg Δ
-0.2
Opp. μ
Last event
Oct 3, 2025

last_90d

18-24

Matches
42
Net Δ
-133.6
Avg Δ
-3.2
Opp. μ
Last event
Oct 3, 2025

last_5_events

0-5

Matches
5
Net Δ
-40.3
Avg Δ
-8.1
Opp. μ
Last event
Oct 3, 2025

Disciplines

Career breakdown

Doubles

Matches
680
Record
317-363
Net Δ
+966.0
Current rank
Best rank
Last event
Oct 3, 2025

Milestones

Career highlights

  • Reached rating 1734.70Sep 11, 2024 · Δ +4.0
  • Largest rating gainMay 7, 2025 · Δ +65.3
  • Largest rating dropMar 30, 2023 · Δ -61.9
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