TennisEdge's AI model finds no betting value in S. Zhang vs H. Sakatsume (Paris on 2026-05-12) — the market is efficient, with S. Zhang favoured at 1.44.
Independent estimates of who wins, each from a different method. The blend is what the bot prices against the market.
| Method | S. Zhang | H. Sakatsume |
|---|---|---|
| Elo ratings-based, surface-weighted |
41.6% | 58.4% |
| Machine learning 29-feature gradient-boosted model |
28.3% | 71.7% |
| Blend what the bot actually prices off |
34.9% | 65.1% |
| Market implied de-vigged from the opening odds |
64.5% | 35.5% |
We publish how well these score against the closing market, including where they lose: how accurate are tennis predictions?
| Player | Surface | Elo | Record | Matches |
|---|---|---|---|---|
| S. Zhang | hard | 1727 | 111–88 | 199 |
| H. Sakatsume | hard | 1653 | 162–100 | 262 |
Our own ratings, computed from match results since 2018. Players with fewer than 5 rated matches are omitted rather than shown at a provisional starting value. Last updated Aug. 3, 2026.
S. Zhang leads 1–0 over 1 meeting. Full record.
| Date | Event | Surface | Winner | Score |
|---|---|---|---|---|
| May 12, 2026 | Paris | clay | S. Zhang | 2 - 1 |
| W | Y. Putintseva | 0 - 2 | Aug. 3, 2026 |
| L | G. Knutson | 1 - 2 | July 25, 2026 |
| L | K. Muchova | 2 - 0 | July 1, 2026 |
| W | B. Andreescu | 0 - 2 | June 29, 2026 |
| L | G. Ruse | 0 - 2 | June 20, 2026 |
| L | M. Uchijima | 2 - 0 | Aug. 1, 2026 |
| L | M. Hontama | 2 - 0 | July 30, 2026 |
| W | A. Arseneault | 0 - 2 | July 30, 2026 |
| W | C. Wong Hong Yi | 1 - 2 | July 29, 2026 |
| L | F. Crawley | 2 - 1 | July 22, 2026 |
All May 12, 2026 results & picks →
Math-only prediction: no LLM calls used