Chun Hsin Tseng vs Rei Sakamoto — Kobe CH Quarter-final
Kobe CH · CHALLENGER · Quarter-final
TPE1#269ATP
1554ELO
1495Hard ELO
$99kYTD
$1.7MCAREER
25 yrs · 175 cm · Right-handed
Last 10 · pre-match
WWWWLLWLLL
2 — 1
Sets
Monday, 10 November 2025 ·
hard
JPN6#165ATP
1608ELO
1589Hard ELO
$235kYTD
$494kCAREER
20 yrs · 193 cm · Right-handed
Last 10 · pre-match
LWLWWLWWLW
Hsin Tseng C.4-6 6-1 7-6
Sakamoto R.
Hsin Tseng C.
4672
Sakamoto R.
6161
Chun Hsin Tseng defeated Rei Sakamoto 4-6 6-1 7-6 in the Kobe CH quarter-final on hard. The upset overturned the form book — Rei Sakamoto came in ranked #165, defending last year's round of 32.
Key context
- Match story: Chun Hsin Tseng dropped the opening set before beating Rei Sakamoto 4–6 6–1 7–6.
Head to head
No previous meetings on record.
Statistics
This season1st serve in·Slight edge
58%
63%
1st serve points won·Even
68%
71%
2nd serve points won·Even
52%
51%
Service points won·Even
61%
64%
Return points won·Even
39%
38%
Break points saved·Even
61%
60%
Aces / match·Dominant
2.8
6.7
Double faults / match·Slight edge
1.9
2.4
Averages over each player's completed matches in the selected window (72 vs 84). ATP, WTA & Challenger.
Clutch
Under pressureClutch Rating·Dominant
0
49
Break points saved·Clear edge
69
87
Break points won·Slight edge
1
8
Deciding sets·Dominant
7
93
Tiebreaks·Clear edge
1
23
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About
Freshness
Recent loadFreshness·Slight edge
63
56
Hsin Tseng C.: 1 day rest · 3 matches, 62 games (7d) · Sakamoto R.: 1 day rest · 3 matches, 68 games (7d). Higher means fresher. About
Conditions
Court speed
Medium-fastrewards aggression
SlowFast