Sam Groth defeated Yen Hsun Lu 6-4 6-3 in the Memphis round of 32 on hard. The upset overturned the form book — Yen Hsun Lu came in leading the head-to-head 1–0, defending last year's semi-final. Sam Groth claimed a first win over Yen Hsun Lu in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2015-02-16 | Delray Beach | R32 | hard | Yen Hsun Lu | 6-7(6) 7-6(5) 6-4 |
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 (150 vs 181). ATP, WTA & Challenger.