TennisEdge's AI model finds no betting value in L. Fernandez vs J. Tjen (Wimbledon on 2026-06-29) — the market is efficient, with L. Fernandez favoured at 1.30.
Independent estimates of who wins, each from a different method. The blend is what the bot prices against the market.
| Method | L. Fernandez | J. Tjen |
|---|---|---|
| Elo ratings-based, surface-weighted |
73.9% | 26.1% |
| Machine learning 29-feature gradient-boosted model |
54.6% | 45.4% |
| Serve / return point-by-point simulation |
57.1% | 42.9% |
| Blend what the bot actually prices off |
73.9% | 26.1% |
| Market implied de-vigged from the opening odds |
72.9% | 27.1% |
We publish how well these score against the closing market, including where they lose: how accurate are tennis predictions?
| Player | Surface | Elo | Record | Matches |
|---|---|---|---|---|
| L. Fernandez | hard | 1804 | 119–82 | 201 |
| J. Tjen | hard | 1759 | 106–31 | 137 |
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 29, 2026.
J. Tjen leads 3–0 over 3 meetings. Full record.
| Date | Event | Surface | Winner | Score |
|---|---|---|---|---|
| June 29, 2026 | Wimbledon | grass | J. Tjen | 2 - 0 |
| Feb. 16, 2026 | WTA Dubai | hard | J. Tjen | 2 - 0 |
| Jan. 20, 2026 | WTA Australian Open | hard | J. Tjen | 2 - 0 |
| L | A. Eala | 0 - 2 | July 29, 2026 |
| W | M. Linette | 2 - 0 | July 27, 2026 |
| L | J. Tjen | 0 - 2 | June 29, 2026 |
| L | Xin. Wang | 2 - 0 | June 23, 2026 |
| W | K. Boulter | 1 - 2 | June 21, 2026 |
| L | L. Samsonova | 0 - 2 | Aug. 3, 2026 |
| L | A. Kalinskaya | 1 - 2 | July 30, 2026 |
| W | R. Sramkova | 2 - 0 | July 27, 2026 |
| L | D. Kasatkina | 1 - 2 | July 1, 2026 |
| W | L. Fernandez | 0 - 2 | June 29, 2026 |
All June 29, 2026 results & picks →
Math-only prediction: no LLM calls used