TennisEdge's AI model finds no betting value in T. Griekspoor vs S. Shimabukuro (Halle on 2026-06-16) — the market is efficient, with T. Griekspoor favoured at 1.66.
Independent estimates of who wins, each from a different method. The blend is what the bot prices against the market.
| Method | T. Griekspoor | S. Shimabukuro |
|---|---|---|
| Elo ratings-based, surface-weighted |
57.0% | 43.0% |
| Machine learning 29-feature gradient-boosted model |
71.7% | 28.3% |
| Blend what the bot actually prices off |
57.0% | 43.0% |
| Market implied de-vigged from the opening odds |
57.0% | 43.0% |
We publish how well these score against the closing market, including where they lose: how accurate are tennis predictions?
| Player | Surface | Elo | Record | Matches |
|---|---|---|---|---|
| T. Griekspoor | hard | 1796 | 86–76 | 162 |
| S. Shimabukuro | hard | 1657 | 165–116 | 281 |
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 27, 2026.
Level at 1–1 over 2 meetings. Full record.
| Date | Event | Surface | Winner | Score |
|---|---|---|---|---|
| June 16, 2026 | Halle | grass | S. Shimabukuro | 2 - 1 |
| Sept. 30, 2023 | ATP Astana | hard | T. Griekspoor | 2 - 1 |
| L | A. Tabilo | 2 - 1 | July 27, 2026 |
| L | C. Norrie | 2 - 3 | July 18, 2026 |
| L | J. Fonseca | 3 - 1 | July 18, 2026 |
| W | C. Moutet | 2 - 3 | July 16, 2026 |
| L | J. Duckworth | 1 - 3 | June 30, 2026 |
| L | M. Cilic | 0 - 2 | Aug. 4, 2026 |
| W | N. Budkov Kjaer | 2 - 0 | Aug. 1, 2026 |
| L | R. Pacheco Mendez | 1 - 2 | July 29, 2026 |
| L | J. Faria | 1 - 3 | June 30, 2026 |
| L | F. Tiafoe | 2 - 0 | June 17, 2026 |
All June 16, 2026 results & picks →
Math-only prediction: no LLM calls used