

Matteo Arnaldi defeated Brandon Nakashima 7-6 6-4 in the Delray Beach quarter-final on hard. The upset overturned the form book — Brandon Nakashima came in ranked #35, leading the head-to-head 2–0. Matteo Arnaldi claimed a first win over Brandon Nakashima in three meetings, narrowing the head-to-head to 2–1.
The Umpiry Score combines match-context factors — matchup, form, fatigue, travel and motivation — into a single 0–10 score, updated daily. Read how it works.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2025-03-05 | Indian Wells Masters | R32 | hard | Brandon Nakashima | 6-2 6-4 |
| 2022-11-07 | NextGen Finals | RR | hard | Brandon Nakashima | 2-4 4-3(7) 4-3(4) 3-4(4) 4-2 |
Averages from each player's recent completed matches (19 vs 20). ATP, WTA & Challenger.