TennisEdge's AI bot is backing A. Tubello (moneyline) at 2.26 in S. De Stefano vs A. Tubello (Ljubljana on 2026-09-17). Result: LOST.
Independent estimates of who wins, each from a different method. The blend is what the bot prices against the market.
| Method | S. De Stefano | A. Tubello |
|---|---|---|
| Elo ratings-based, surface-weighted |
51.3% | 48.7% |
| Machine learning 29-feature gradient-boosted model |
66.2% | 33.8% |
| Serve / return point-by-point simulation |
53.0% | 47.0% |
| Blend what the bot actually prices off |
56.8% | 43.2% |
| Market implied de-vigged from the opening odds |
55.9% | 44.1% |
We publish how well these score against the closing market, including where they lose: how accurate are tennis predictions?
| Player | Surface | Elo | Record | Matches |
|---|---|---|---|---|
| S. De Stefano | clay | 1660 | 54–43 | 97 |
| A. Tubello | clay | 1719 | 118–52 | 170 |
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. 24, 2026.
S. De Stefano leads 1–0 over 1 meeting. Full record.
| Date | Event | Surface | Winner | Score |
|---|---|---|---|---|
| Sept. 18, 2026 | Ljubljana | clay | S. De Stefano | 2 - 1 |
| L | O. Selekhmeteva | 1 - 2 | Sept. 24, 2026 |
| W | J. Struplova | 0 - 2 | Sept. 22, 2026 |
| W | M. Barthel | 1 - 2 | Sept. 20, 2026 |
| W | L. Samson | 2 - 1 | Sept. 19, 2026 |
| W | A. Tubello | 2 - 1 | Sept. 18, 2026 |
| L | P. Hercog | 0 - 2 | Nov. 12, 2026 |
| W | T. Maria | 0 - 2 | Nov. 11, 2026 |
| W | J. Riera | 2 - 0 | Nov. 10, 2026 |
| L | B. Andreescu | 0 - 2 | Nov. 7, 2026 |
| W | L. Jeanjean | 0 - 2 | Nov. 5, 2026 |
All Sept. 17, 2026 results & picks →