Jason Jung defeated Noah Rubin 6-3 6-1 in the San Francisco CH quarter-final on hard. The upset overturned the form book — Noah Rubin came in leading the head-to-head 2–0. Jason Jung claimed a first win over Noah Rubin in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2020-02-17 | Delray Beach | R32 | hard | Noah Rubin | 6-3 4-3 RET |
| 2018-07-23 | Atlanta | Q2 | hard | Noah Rubin | 6-4 6-2 |
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About
Averages over each player's completed matches in the selected window (200 vs 151). ATP, WTA & Challenger.