Tai Sach defeated Matthew Dellavedova 6-2 1-6 6-2 in the M25 Brisbane 1 round of 32 on hard. The upset overturned the form book — Matthew Dellavedova came in ranked #310, leading the head-to-head 2–0. Tai Sach claimed a first win over Matthew Dellavedova in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2023-12-11 | M15 Wellington 1 | R32 | hard | Matthew Dellavedova | 7-6(4) 6-4 |
| 2023-11-22 | M25 Brisbane 1 | R32 | hard | Matthew Dellavedova | 6-4 6-2 |
Averages over each player's completed matches in the selected window (21 vs 32). ATP, WTA & Challenger.
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About