TennisEdge's AI bot is backing R. Collignon (moneyline) at 2.10 in S. Tsitsipas vs R. Collignon (Gstaad on 2026-07-19). Result: LOST.
Independent estimates of who wins, each from a different method. The blend is what the bot prices against the market.
| Method | S. Tsitsipas | R. Collignon |
|---|---|---|
| Elo ratings-based, surface-weighted |
48.1% | 51.9% |
| Machine learning 29-feature gradient-boosted model |
38.9% | 61.1% |
| Serve / return point-by-point simulation |
27.6% | 72.4% |
| Blend what the bot actually prices off |
42.9% | 57.1% |
| Market implied de-vigged from the opening odds |
55.0% | 45.0% |
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. Tsitsipas | clay | 1873 | 74–29 | 103 |
| R. Collignon | clay | 1829 | 136–49 | 185 |
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 19, 2026.
S. Tsitsipas leads 1–0 over 1 meeting. Full record.
| Date | Event | Surface | Winner | Score |
|---|---|---|---|---|
| July 19, 2026 | Gstaad | clay | S. Tsitsipas | 2 - 1 |
| L | N. Basilashvili | 2 - 1 | Oct. 24, 2026 |
| W | J. Duckworth | 2 - 0 | Oct. 23, 2026 |
| W | M. Kukushkin | 2 - 0 | Oct. 21, 2026 |
| W | A. Kovacevic | 2 - 1 | Oct. 20, 2026 |
| L | D. Medvedev | 2 - 0 | Oct. 14, 2026 |
| L | J. Lehecka | 0 - 2 | Oct. 22, 2026 |
| W | N. Basavareddy | 1 - 2 | Oct. 20, 2026 |
| L | S. Gorzny | 3 - 2 | Aug. 31, 2026 |
| L | R. Hijikata | 1 - 2 | Aug. 25, 2026 |
| L | M. Navone | 2 - 0 | Aug. 13, 2026 |
All July 19, 2026 results & picks →