TennisEdge's AI model finds no betting value in C. Zhao vs C. Naef (Birmingham on 2026-05-30) — the market is efficient, with C. Naef 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 | C. Zhao | C. Naef |
|---|---|---|
| Elo ratings-based, surface-weighted |
38.7% | 61.3% |
| Machine learning 29-feature gradient-boosted model |
14.5% | 85.5% |
| Blend what the bot actually prices off |
26.6% | 73.4% |
| Market implied de-vigged from the opening odds |
17.2% | 82.8% |
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. 3, 2026.
C. Naef leads 1–0 over 1 meeting. Full record.
| Date | Event | Surface | Winner | Score |
|---|---|---|---|---|
| May 30, 2026 | Birmingham | grass | C. Naef | 2 - 0 |
| L | M. Linette | 1 - 2 | Aug. 3, 2026 |
| L | E. Jones | 2 - 1 | July 28, 2026 |
| L | L. Stefanini | 2 - 0 | July 9, 2026 |
| L | J. Mikulskyte | 2 - 0 | June 23, 2026 |
| L | C. Naef | 0 - 2 | May 30, 2026 |
| L | J. Garland | 1 - 2 | June 23, 2026 |
| L | A. Krueger | 2 - 0 | June 14, 2026 |
| W | M. Stoiana | 1 - 2 | June 13, 2026 |
| W | H. Tan | 2 - 0 | June 12, 2026 |
| W | A. Urhobo | 2 - 0 | June 12, 2026 |
All May 30, 2026 results & picks →
Math-only prediction: no LLM calls used