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 | 1516 | 29–23 | 52 |
| K. Collins | hard | 1435 | 25–34 | 59 |
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 Sept. 14, 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 |
| L | K. Collins | 0 - 2 | Sept. 14, 2026 |
| W | O. Dodin | 1 - 2 | Sept. 13, 2026 |
| L | A. Ito | 1 - 2 | Sept. 10, 2026 |
| W | R. Munk Mortensen | 2 - 0 | Sept. 9, 2026 |
| L | O. Oliynykova | 2 - 0 | Sept. 1, 2026 |
| W | R. Brantmeier | 0 - 2 | Sept. 14, 2026 |
| W | E. Yashina | 0 - 2 | Sept. 13, 2026 |
| L | I. Dapkute | 2 - 1 | Sept. 9, 2026 |
| L | T. Valentova | 0 - 2 | Aug. 27, 2026 |
| W | A. Zakharova | 0 - 2 | Aug. 25, 2026 |
All Sept. 14, 2026 results & picks →