TennisEdge's AI model finds no betting value in D. Papamichail vs H. Guo (French Open on 2026-05-20) — the market is efficient, with H. Guo favoured at 1.53.
Independent estimates of who wins, each from a different method. The blend is what the bot prices against the market.
| Method | D. Papamichail | H. Guo |
|---|---|---|
| Elo ratings-based, surface-weighted |
71.0% | 28.9% |
| Machine learning 29-feature gradient-boosted model |
76.9% | 23.1% |
| Serve / return point-by-point simulation |
54.8% | 45.2% |
| Blend what the bot actually prices off |
67.6% | 32.4% |
| Market implied de-vigged from the opening odds |
39.2% | 60.8% |
We publish how well these score against the closing market, including where they lose: how accurate are tennis predictions?
| Player | Surface | Elo | Record | Matches |
|---|---|---|---|---|
| D. Papamichail | clay | 1545 | 131–116 | 247 |
| H. Guo | hard | 1641 | 80–48 | 128 |
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 July 13, 2026.
H. Guo leads 1–0 over 1 meeting. Full record.
| Date | Event | Surface | Winner | Score |
|---|---|---|---|---|
| May 20, 2026 | French Open | clay | H. Guo | 2 - 0 |
| L | D. Yesypchuk | 0 - 2 | July 30, 2026 |
| W | M. Weckerle | 2 - 1 | July 29, 2026 |
| L | E. Andreeva | 0 - 2 | July 13, 2026 |
| L | M. Capurro Taborda | 0 - 2 | July 8, 2026 |
| L | C. Liu | 0 - 2 | June 23, 2026 |
| L | K. Day | 0 - 2 | Aug. 1, 2026 |
| L | Xiy. Wang | 2 - 0 | June 23, 2026 |
| W | E. Jacquemot | 1 - 2 | June 7, 2026 |
| L | M. Inglis | 1 - 2 | June 7, 2026 |
| L | M. Kessler | 1 - 2 | May 25, 2026 |
All May 20, 2026 results & picks →
Massive surface discrepancy: Papamichail is a proven clay specialist (ELO 1699) while Guo struggles significantly on clay (ELO 1543), creating a statistical mismatch where the market incorrectly prices Guo as the favorite.