Yen Hsun Lu defeated Denis Istomin 7-6 7-6 in the Queen's Club qualifying round 2 on grass. The upset overturned the form book — Denis Istomin came in leading the head-to-head 2–1, defending last year's round of 32. Yen Hsun Lu narrowed the head-to-head to 2–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2014-08-10 | Cincinnati Masters | R64 | hard | Yen Hsun Lu | 6-3 6-4 |
| 2013-07-22 | Atlanta | R16 | hard | Denis Istomin | 7-5 6-2 |
| 2012-03-08 | Indian Wells Masters | R128 | hard | Denis Istomin | 7-6(6) 6-3 |
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 (182 vs 200). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About