| Matias O'Neille | |
| Birth Date: | 21 January 1978 |
| Plays: | Right-handed |
| Careerprizemoney: | $35,047 |
| Highestsinglesranking: | No. 416 (16 Oct 2000) |
| Highestdoublesranking: | No. 401 (22 Mar 2004) |
Matias O'Neille (born 21 January 1978) is an Argentine former professional tennis player.[1]
O'Neille, a player from Buenos Aires, spent most of his professional tennis career competing in satellite and ITF Futures tournaments. He won three Futures doubles titles and also claimed one ATP Challenger title, partnering Mariano Delfino at the Trani Cup in 2003. His best singles ranking was 416 in the world and he was ranked as high as 401 in doubles.[2]
| Legend | |
|---|---|
| ATP Challenger (1) | |
| ITF Futures (3) |
| No. | Date | Tournament | Tier | Surface | Partner | Opponents | Score | |||
|---|---|---|---|---|---|---|---|---|---|---|
| 1. | style=background:#cffcff | Chile F9, Santiago | style=background:#cffcff | Futures | Clay |  Patricio Rudi | Martín Vassallo Argüello Diego Veronelli | 6–4, 1–0 ret. | ||
| 2. | style=background:#cffcff | Paraguay F1, Asuncion | style=background:#cffcff | Futures | Clay | Diego Hartfield | Sebastián Decoud Sebastian Uriarte | 6–3, 4–6, 7–6(7) | ||
| 1. | Trani Cup, Trani, Italy | Challenger | Clay | Mariano Delfino |  Leonardo Azzaro Gergely Kisgyörgy | 6–3, 6–3 | ||||
| 3. | style=background:#cffcff | Argentina F8, Buenos Aires | style=background:#cffcff | Futures | Clay | Emiliano Redondi | Leandro Migani Horacio Zeballos | 6–2, 6–1 |