TennisEdge's AI model finds no betting value in R. Collignon vs J. M. Cerundolo (Eastbourne on 2026-06-22) — the market is efficient, with R. Collignon favoured at 1.20.
Independent estimates of who wins, each from a different method. The blend is what the bot prices against the market.
| Method | R. Collignon | J. M. Cerundolo |
|---|---|---|
| Elo ratings-based, surface-weighted |
90.2% | 9.8% |
| Machine learning 29-feature gradient-boosted model |
75.7% | 24.3% |
| Blend what the bot actually prices off |
90.2% | 9.8% |
| Market implied de-vigged from the opening odds |
78.9% | 21.1% |
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. Collignon | clay | 1830 | 136–49 | 185 |
| J. M. Cerundolo | clay | 1838 | 205–111 | 316 |
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 21, 2026.
J. M. Cerundolo leads 3–1 over 4 meetings. Full record.
| Date | Event | Surface | Winner | Score |
|---|---|---|---|---|
| July 18, 2026 | Gstaad | clay | R. Collignon | 2 - 1 |
| June 22, 2026 | Eastbourne | grass | J. M. Cerundolo | 2 - 1 |
| May 17, 2026 | Bordeaux | clay | J. M. Cerundolo | 2 - 1 |
| July 10, 2025 | Braunschweig | clay | J. M. Cerundolo | 2 - 1 |
| L | D. Altmaier | 2 - 0 | July 21, 2026 |
| L | S. Tsitsipas | 2 - 1 | July 19, 2026 |
| W | J. M. Cerundolo | 2 - 1 | July 18, 2026 |
| W | V. Vacherot | 2 - 1 | July 17, 2026 |
| W | L. Sonego | 2 - 0 | July 15, 2026 |
| L | M. Trungelliti | 0 - 2 | July 21, 2026 |
| L | R. Collignon | 2 - 1 | July 18, 2026 |
| W | C. Ruud | 2 - 1 | July 17, 2026 |
| W | M. Kecmanovic | 2 - 1 | July 16, 2026 |
| W | Z. Kolar | 2 - 1 | July 14, 2026 |
All June 22, 2026 results & picks →
Math-only prediction: no LLM calls used