TennisEdge's AI model finds no betting value in L. Giustino vs G. Onclin (Wimbledon on 2026-06-22) — the market is efficient, with G. Onclin favoured at 1.11.
Independent estimates of who wins, each from a different method. The blend is what the bot prices against the market.
| Method | L. Giustino | G. Onclin |
|---|---|---|
| Elo ratings-based, surface-weighted |
26.8% | 73.2% |
| Machine learning 29-feature gradient-boosted model |
31.3% | 68.7% |
| Blend what the bot actually prices off |
24.8% | 75.2% |
| Market implied de-vigged from the opening odds |
14.6% | 85.4% |
We publish how well these score against the closing market, including where they lose: how accurate are tennis predictions?
| Player | Surface | Elo | Record | Matches |
|---|---|---|---|---|
| L. Giustino | clay | 1549 | 164–139 | 303 |
| G. Onclin | hard | 1748 | 126–66 | 192 |
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 Aug. 4, 2026.
G. Onclin leads 3–0 over 3 meetings. Full record.
| Date | Event | Surface | Winner | Score |
|---|---|---|---|---|
| June 22, 2026 | Wimbledon | grass | G. Onclin | 2 - 0 |
| July 14, 2025 | Bunschoten | clay | G. Onclin | 2 - 0 |
| Dec. 1, 2024 | ITF M25 Monastir 4 Men | hard | G. Onclin | 2 - 1 |
| W | V. Sachko | 2 - 1 | Aug. 4, 2026 |
| L | O. Wallin | 2 - 1 | July 28, 2026 |
| L | F. Cina | 2 - 0 | July 19, 2026 |
| W | N. Hipfl | 0 - 2 | July 18, 2026 |
| L | F. Roncadelli | 2 - 1 | July 14, 2026 |
| L | D. Dedura | 2 - 1 | July 25, 2026 |
| W | T. Gentzsch | 2 - 1 | July 24, 2026 |
| W | N. Visker | 2 - 0 | July 22, 2026 |
| W | D. Ajdukovic | 2 - 0 | July 20, 2026 |
| L | T. Boogaard | 2 - 1 | July 14, 2026 |
All June 22, 2026 results & picks →
Math-only prediction: no LLM calls used