Amy Zhu and Ayumi Koshiishi have met 1 time since 2025; Ayumi Koshiishi leads 1–0. Their most recent meeting: Ayumi Koshiishi won at W35 Luzhou (2025).
Playing styles and historical archetype record
Zhu
🤖 Servebot
Koshiishi
👑 The Complete Package
Matchup analysis
The 👑 The Complete Package archetype wins about 59% vs 🤖 Servebot across 2,242 matches in our dataset — a stylistic lean toward Ayumi Koshiishi.
The Complete Package players often use elite serve & return and high bp conversion to pressure the servebot's high ace rate.
1 career meeting, newest first
Hypothetical if you put 1u on each player to win every one of their matches · Last 90 days
| Metric | Zhu | Koshiishi |
|---|---|---|
| W-L | 1–4 | - |
| Avg odds | 5.98 | - |
| ROI % | -25.0% | - |
| Units P/L | -1.25u | - |
Small sample: ROI stabilizes with more matches; fewer than 10 in the window is noisy.
Last five matches per player
Kate Gardiner
Claremont ITF ·
Jun 24
Chloe Paquet
Brescia ·
Jun 14
Gaeul Jang
Changwon 2 ITF ·
May 21
Gio Jang
W35 Changwon · Round of 32
May 18
Sook Choi
Andong ITF ·
May 12
Dayeon Back
W35 Andong · Round of 32
May 11
Hyeongju Han
Andong ITF ·
May 11
Justina Mikulskyte
W50 Baotou · Round of 32
Apr 20
Petra Hule
W50 Brisbane · Round of 32
Nov 10
Arina Varaksina
W50 Brisbane · Round of 16
Nov 10
Sijia Wei
W50 Brisbane · Quarterfinals
Nov 10
Kayla Cross
W75 Toronto · Round of 32
Oct 27
Misaki Matsuda
W100 Incheon · Round of 32
Sep 22
Yidi Yang
W35 Shenyang · Round of 32
Sep 15
Aliona Falei
W35 Shenyang · Round of 16
Sep 15
Yufei Ren
W50 Guiyang · Round of 16
Sep 8
Matches, sets and games won · Last 12 months · 18–24 matches
| Metric | Zhu | Koshiishi |
|---|---|---|
| Matches won | 38% | 39% |
| Sets won | 44% | 44% |
| Games won | 49% | 46% |
Head-to-head record by tournament tier
| Stage | Zhu | Koshiishi |
|---|---|---|
| ITF W35 | 0 | 1 |
Head-to-head record per surface
| Surface | Zhu | Koshiishi |
|---|---|---|
| Hard | 0 | 1 |
