Match log updated: 2026-05-28 18:14 UTC
Guillermo Olaso — ATP Match Log
Main draw matches: 0 | W: 0 | L: 0 | Win %: —
| Opponent | Score | Result | H2H | Match Data | Date ↓ | Round | Tournament | Category | Surface |
|---|---|---|---|---|---|---|---|---|---|
| Donald Young | 5-7 2-6 | L | H2H | Match data | Sep 1, 2009* | Q2 | US Open | Grand Slam | Hard |
| Paolo Lorenzi | 6-2 2-6 7-6(4) | W | H2H | Match data | Aug 31, 2009 | Q1 | US Open | Grand Slam | Hard |
2 qualifying matches shown in the table; qualifying is excluded from main-draw summaries and leaderboards. Estimated from the tournament schedule where an exact match date is unavailable. Arrows show an edition's recorded category and documented modern equivalent; unresolved editions keep their recorded category. Mapping details.