Tennis · M15 Wuning · 03/09, 05:00
Prediction: Hiromasa Koyama vs Qian Sun
Team pages: Hiromasa Koyama · Qian Sun
Prediction summary
Winner
Hiromasa Koyama
Qian Sun
Estimated games
21.9
Recent form · 10 last
Hiromasa Koyama
5-5 (W-L)
Qian Sun
4-6 (W-L)
Our model (Elo) vs Market
Rating Elo · Hiromasa Koyama 1484 · Qian Sun 1487
| Hiromasa Koyama | Qian Sun | |
|---|---|---|
| Our model | 50% | 50% |
| Market | 56% | 44% |
The bar above blends our model with the market: where our probability diverges most from the odds is where the model sees the widest gap.
Statistics
| Hiromasa Koyama | Qian Sun | |
|---|---|---|
| Win % | 40% | 40% |
| Win % · Hard | 40% (10) | 33% (6) |
| Sets (G-P) | 1-1.4 | 1.1-1.4 |
| Games (G-P) | 10.1-11.1 | 12.1-11.5 |
| Aces | 0.9 | 5.7 |
| Double faults | 3.8 | 2.6 |
| 1st serve % | 59.1% | 69.1% |
| Break % | 61.4% | 50.1% |
Estimated total games (ours)
21.9
Last 10 matches played
Last matches of each player (sets and games). W = win, L = loss. Common opponents to both are in blue.
Hiromasa Koyama
Swipe the table sideways →
| Date | Opponent | Sets | Games | Res. |
|---|---|---|---|---|
| 02/09 | Lachlan Vickery M15 Wuning · ~Hard |
2-0 | 12-5 | W |
| 27/08 | Luca Castelnuovo M25 Taipei · ~Hard |
1-2 | 13-16 | L |
| 26/08 | Shinji Hazawa M25 Taipei · ~Hard |
2-1 | 18-10 | W |
| 20/08 | Matthew Dellavedova M25 Taipei · ~Hard |
0-2 | 3-12 | L |
| 18/08 | Yuki Mochizuki M25 Taipei · ~Hard |
2-0 | 12-8 | W |
| 17/08 | Manish Sureshkumar M25 Taipei · ~Hard |
2-1 | 8-9 | W |
| 08/07 | Matthew Dellavedova M15 Tokyo · ~Hard |
0-2 | 6-13 | L |
| 30/06 | Yusuke Takahashi M15 Tokyo · ~Hard |
0-2 | 8-13 | L |
| 15/06 | Jesse Delaney M15 Tokyo · ~Hard |
1-2 | 11-12 | L |
| 10/06 | Hayden Jones M15 Tokyo · ~Hard |
0-2 | 10-13 | L |
Qian Sun
Swipe the table sideways →
| Date | Opponent | Sets | Games | Res. |
|---|---|---|---|---|
| 02/09 | Ammar Faleh Alhogbani M15 Wuning · ~Hard |
2-1 | 18-9 | W |
| 27/08 | Fumin Jiang M15 Maanshan · ~Hard |
1-2 | 11-15 | L |
| 26/08 | Petr Bar Biryukov M15 Maanshan · ~Hard |
2-0 | 12-7 | W |
| 19/08 | Tianhui Zhang M15 Maanshan · ~Hard |
1-2 | 16-15 | L |
| 13/08 | Yunseong Chung M15 Tianjin |
0-2 | 10-13 | L |
| 12/08 | Yuta Kawahashi M15 Tianjin |
2-1 | 15-9 | W |
| 06/08 | Hanlei Lu M15 Tianjin |
0-2 | 9-13 | L |
| 04/08 | Yuta Kikuchi M15 Tianjin |
2-0 | 12-5 | W |
| 15/07 | Shu Muto M15 Wuning · ~Hard |
1-2 | 11-16 | L |
| 04/06 | Yaojie Zeng M15 Luan · ~Hard |
0-2 | 7-13 | L |
Frequently asked questions
Who is the favourite in Hiromasa Koyama vs Qian Sun?
Our model gives 53% to Hiromasa Koyama, using surface Elo on hard.
What is the prediction based on?
On an Elo model by surface (hard) adjusted for opponent quality, compared with the market odds.