Donald Young defeated Santiago Giraldo 6-3 6-4 in the Monterrey CH round of 16 on hard. The upset overturned the form book — Santiago Giraldo came in leading the head-to-head 2–0, defending last year's semi-final. Donald Young claimed a first win over Santiago Giraldo in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2016-01-18 | Australian Open | R128 | hard | Santiago Giraldo | 6-4 1-6 6-3 6-2 |
| 2015-05-24 | Roland Garros | R128 | clay | Santiago Giraldo | 6-4 7-5 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 (132 vs 45). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About
Young D.: 2 days rest · 1 match, 21 games (7d). Higher means fresher. About