Facundo Argüello (born 4 August 1992) is an Argentine tennis player. He played in an ATP 250 doubles event in 2011.
In 2013 he played the qualifying stages of the Roland Garros Open and US Open. In 2014 he won the Itajai Challenger, beating Diego Schwartzman in the final match. He qualified directly to the 2014 Roland Garros Open, where he lost to world number 43 Radek Štěpánek after winning the first two sets. In the 2015 Roland Garros draw, he faced Andy Murray in the first round, Murray won in straight sets.
Career finals
Singles: 11 (4–7)
| Legend |
|---|
| ATP Challenger Tour (4–7) |
| Outcome | No. | Date | Tournament | Surface | Opponent | Score |
|---|
| Runner-up | 1. | 000000002010-09-19-000019 September 2010 | Belo Horizonte, Brazil | Clay | Rogério Dutra Silva | 4–6, 2–6 |
| Runner-up | 2. | 000000002011-07-24-000024 July 2011 | Manta, Ecuador | Hard | Brian Dabul | 1–6, 3–6 |
| Runner-up | 3. | 000000002012-07-07-00007 July 2012 | Lima, Peru | Clay | Guido Andreozzi | 3–6, 7–6(7–4), 2–6 |
| Runner-up | 4. | 000000002013-04-28-000028 April 2013 | Savannah, United States | Clay | Ryan Harrison | 2–6, 7–6 |
| Runner-up | 5. | 000000002013-09-15-000015 September 2013 | Cali, Colombia | Clay | Facundo Bagnis | 6–2, 4–6, 3–6 |
| Winner | 6. | 000000002013-09-29-000029 September 2013 | Porto Alegre, Brazil | Clay | Máximo González | 6–4, 6–1 |
| Runner-up | 7. | 000000002013-10-06-00006 October 2013 | São Paulo, Colombia | Clay | Guido Pella | 1–6, 0–6 |
| Runner-up | 8. | 000000002013-10-27-000027 October 2013 | Buenos Aires, Argentina | Clay | Pablo Cuevas | 6–7(6–8), 6–2, 4–6 |
| Winner | 9. | 000000002014-04-13-000013 April 2014 | Itajaí, Brazil | Clay | Diego Sebastian Schwartzman | 4–6, 6–0, 6–4 |
| Winner | 10. | 000000002015-05-03-00003 May 2015 | Tallahassee, United States | Clay | Frances Tiafoe | 2–6, 7–6(7–5), 6–4 |
| Winner | 11. | 000000002015-09-27-000027 September 2015 | Campinas, Brazil | Clay | Diego Sebastian Schwartzman | 7–5, 6–3 |