A. Collarini and A. Guillen Meza are level 2-2 in their head-to-head since 2018 over 4 matches.
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By surface
| Surface | A. Collarini | A. Guillen Meza |
|---|
| Clay | 2 | 2 |
Current ELO by surface
| Surface | A. Collarini | A. Guillen Meza |
|---|
| Hard |
1378 (7-17) |
1123 (1-7) |
| Clay |
1556 (165-141) |
1500 (164-125) |
| Grass |
1336 (0-4) |
1398 (0-2) |
ELO is computed per surface from results since 2018; the win-loss pair is that surface's record.
Match history
| Date | Winner | Score | Event |
|---|
| Jan. 27, 2026 | A. Guillen Meza | 2 - 1 | Concepcion · 1/16-finals · clay |
| May 21, 2025 | A. Collarini | 2 - 0 | French Open · Semi-finals · clay |
| March 11, 2025 | A. Collarini | 2 - 1 | Santiago · 1/16-finals · clay |
| Jan. 14, 2025 | A. Guillen Meza | 1 - 0 | Buenos Aires 2 · 1/16-finals · clay |
Recent form
| Date | | Opponent | Score | Event |
|---|
| June 11, 2026 |
L |
F. Coria |
2 - 0 |
San Miguel de Tucuman · 1/8-finals · clay |
| June 10, 2026 |
W |
J. Cundom |
0 - 2 |
San Miguel de Tucuman · 1/16-finals · clay |
| May 13, 2026 |
L |
M. Tobon |
2 - 1 |
Cordoba 2 · 1/8-finals · clay |
| May 12, 2026 |
W |
J. Estevez |
0 - 2 |
Cordoba 2 · 1/16-finals · clay |
| March 18, 2026 |
L |
F. Roncadelli |
1 - 0 |
Asuncion · 1/16-finals · clay |
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