TennisEdge's AI bot is backing L. Stefanini (moneyline) at 1.90 in J. Pareja vs L. Stefanini (Barranquilla on 2026-09-08). Result: VOID.
Independent estimates of who wins, each from a different method. The blend is what the bot prices against the market.
| Method | J. Pareja | L. Stefanini |
|---|---|---|
| Elo ratings-based, surface-weighted |
43.1% | 56.9% |
| Machine learning 29-feature gradient-boosted model |
30.8% | 69.2% |
| Serve / return point-by-point simulation |
65.1% | 34.9% |
| Blend what the bot actually prices off |
46.3% | 53.7% |
| Market implied de-vigged from the opening odds |
46.2% | 53.8% |
We publish how well these score against the closing market, including where they lose: how accurate are tennis predictions?
| Player | Surface | Elo | Record | Matches |
|---|---|---|---|---|
| J. Pareja | hard | 1666 | 43–25 | 68 |
| L. Stefanini | hard | 1737 | 126–83 | 209 |
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 Sept. 9, 2026.
Level at 1–1 over 2 meetings. Full record.
| Date | Event | Surface | Winner | Score |
|---|---|---|---|---|
| Aug. 27, 2026 | US Open | hard | L. Stefanini | 2 - 0 |
| Aug. 21, 2024 | WTA US Open | hard | J. Pareja | 2 - 1 |
| L | L. Jeanjean | 2 - 1 | Sept. 9, 2026 |
| W | L. Cabrera | 2 - 0 | Sept. 8, 2026 |
| L | L. Stefanini | 0 - 2 | Aug. 27, 2026 |
| W | I. Shymanovich | 2 - 0 | Aug. 26, 2026 |
| W | K. Day | 0 - 2 | Aug. 24, 2026 |
| L | J. Paolini | 2 - 0 | Sept. 2, 2026 |
| W | D. Yastremska | 2 - 1 | Aug. 30, 2026 |
| W | J. Pareja | 0 - 2 | Aug. 27, 2026 |
| W | M. Brengle | 0 - 2 | Aug. 26, 2026 |
| W | A. Aksu | 0 - 2 | Aug. 24, 2026 |
All Sept. 8, 2026 results & picks →