TennisEdge's AI bot is backing K. Collins +6.0 (game handicap) at 1.52 in R. Brantmeier vs K. Collins (Caldas da Rainha on 2026-09-14). Result: WON.
Independent estimates of who wins, each from a different method. The blend is what the bot prices against the market.
| Method | R. Brantmeier | K. Collins |
|---|---|---|
| Elo ratings-based, surface-weighted |
60.9% | 39.1% |
| Machine learning 29-feature gradient-boosted model |
53.4% | 46.6% |
| Serve / return point-by-point simulation |
47.3% | 52.7% |
| Blend what the bot actually prices off |
53.9% | 46.1% |
| Market implied de-vigged from the opening odds |
71.6% | 28.4% |
We publish how well these score against the closing market, including where they lose: how accurate are tennis predictions?
| Player | Surface | Elo | Record | Matches |
|---|---|---|---|---|
| R. Brantmeier | hard | 1741 | 45–25 | 70 |
| K. Collins | hard | 1480 | 31–39 | 70 |
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 Nov. 1, 2026.
R. Brantmeier leads 2–1 over 3 meetings. Full record.
| Date | Event | Surface | Winner | Score |
|---|---|---|---|---|
| Sept. 14, 2026 | Caldas da Rainha | hard | K. Collins | 2 - 0 |
| June 5, 2026 | W100 Sumter | hard | R. Brantmeier | 2 - 0 |
| Oct. 19, 2022 | W25 Fort Worth, TX | hard | R. Brantmeier | 2 - 1 |
| W | K. Sebov | 0 - 2 | Nov. 1, 2026 |
| W | K. Rinaldo Persson | 2 - 0 | Oct. 31, 2026 |
| W | V. Ryser | 2 - 1 | Oct. 30, 2026 |
| W | C. Ngounoue | 2 - 0 | Oct. 29, 2026 |
| W | H. Inoue | 2 - 0 | Oct. 28, 2026 |
| L | C. Jauffret | 2 - 0 | Nov. 11, 2026 |
| L | C. Ma | 0 - 2 | Oct. 29, 2026 |
| W | Y. Ku | 0 - 2 | Oct. 27, 2026 |
| L | Y. Ku | 0 - 2 | Oct. 21, 2026 |
| W | A. Abbagnato | 2 - 0 | Oct. 19, 2026 |
All Sept. 14, 2026 results & picks →