TennisEdge's AI model finds no betting value in C. Wong vs Z. Kolar (French Open on 2026-05-20) — the market is efficient, with Z. Kolar favoured at 1.43.
Independent estimates of who wins, each from a different method. The blend is what the bot prices against the market.
| Method | C. Wong | Z. Kolar |
|---|---|---|
| Elo ratings-based, surface-weighted |
14.3% | 85.7% |
| Machine learning 29-feature gradient-boosted model |
27.5% | 72.5% |
| Blend what the bot actually prices off |
20.9% | 79.1% |
| Market implied de-vigged from the opening odds |
36.0% | 64.0% |
We publish how well these score against the closing market, including where they lose: how accurate are tennis predictions?
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. 1, 2026.
C. Wong leads 1–0 over 1 meeting. Full record.
| Date | Event | Surface | Winner | Score |
|---|---|---|---|---|
| May 20, 2026 | French Open | clay | C. Wong | 2 - 1 |
| L | A. Gea | 0 - 2 | Aug. 1, 2026 |
| W | J. Brooksby | 2 - 0 | July 31, 2026 |
| W | J. Lehecka | 1 - 2 | July 30, 2026 |
| W | Dar. Blanch | 2 - 0 | July 28, 2026 |
| L | J. Wolf | 2 - 0 | July 23, 2026 |
| L | R. Brancaccio | 0 - 2 | Aug. 4, 2026 |
| L | J. Kumstat | 1 - 2 | July 27, 2026 |
| L | T. Seyboth Wild | 2 - 0 | July 20, 2026 |
| L | J. M. Cerundolo | 2 - 1 | July 14, 2026 |
| L | T. Daniel | 2 - 0 | July 9, 2026 |
All May 20, 2026 results & picks →
Math-only prediction: no LLM calls used