Lukas Lacko defeated Dudi Sela 2-6 6-3 6-2 6-4 in the Australian Open round of 64 on hard. The upset overturned the form book — Dudi Sela came in leading the head-to-head 5–1, defending last year's round of 32. Lukas Lacko narrowed the head-to-head to 5–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2016-07-11 | Newport | R32 | grass | Dudi Sela | 6-3 6-2 |
| 2015-06-21 | Nottingham | Q3 | grass | Dudi Sela | 6-3 7-6(1) |
| 2014-02-03 | Zagreb | R16 | hard | Dudi Sela | 6-3 6-2 |
| 2013-12-30 | Chennai | R32 | hard | Dudi Sela | 6-4 6-2 |
| 2011-02-14 | Memphis | R32 | hard | Lukas Lacko | 6-7(4) 7-5 6-3 |
| 2010-01-04 | Chennai | QF | hard | Dudi Sela | 7-6(3) 7-5 |
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 148). ATP, WTA & Challenger.