Ivo Karlovic defeated Steve Johnson 6-2 7-6 in the Delray Beach quarter-final on hard. The upset overturned the form book — Steve Johnson came in leading the head-to-head 3–2, defending last year's semi-final. Ivo Karlovic narrowed the head-to-head to 3–3.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2016-10-24 | Vienna | R32 | hard | Ivo Karlovic | 7-6(5) 6-3 |
| 2016-07-18 | Washington | SF | hard | Ivo Karlovic | 6-4 6-4 |
| 2015-03-12 | Indian Wells Masters | R64 | hard | Steve Johnson | 6-3 7-6(5) |
| 2014-07-28 | Washington | R16 | hard | Steve Johnson | 3-6 7-6(4) 7-6(7) |
| 2013-02-11 | San Jose | R32 | hard | Steve Johnson | 6-7(2) 6-4 7-6(6) |
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 200). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About