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| Singles | |
|---|---|
| 2015 Tallahassee Tennis Challenger | |
| Champion |  Facundo Argüello |
| Runner-up |  Frances Tiafoe |
| Score | 2–6, 7–6(7–5), 6–4 |
Robby Ginepri was the defending champion, but did not participate.
Facundo Argüello won the title, defeating Frances Tiafoe in the final, 2–6, 7–6(7–5), 6–4.
Facundo Bagnis (first round) Austin Krajicek (first round)
Frank Dancevic (first round)
Jason Kubler (second round) Facundo Argüello (champion) Bjorn Fratangelo (quarterfinals)
Somdev Devvarman (second round)
James McGee (second round)| Semifinals | Final | ||||||||||||
| SE | Frances Tiafoe | 1 | 6 | 77 | |||||||||
| PR | Tennys Sandgren | 6 | 4 | 61 | |||||||||
| SE | Frances Tiafoe | 6 | 65 | 4 | |||||||||
| 5 | Facundo Argüello | 2 | 77 | 6 | |||||||||
| Jared Donaldson | 3 | 2 | |||||||||||
| 5 | Facundo Argüello | 6 | 6 | ||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 1/Q | F Bagnis | 6 | 65 | 4 | |||||||||||||||||||||||
| SE | F Tiafoe | 1 | 77 | 6 | SE | F Tiafoe | 6 | 3 | 6 | ||||||||||||||||||
| Q |  J Statham | 2 | 78 | 3 | WC | J-Y Aubone | 4 | 6 | 1 | ||||||||||||||||||
| WC | Jean-Yves Aubone | 6 | 66 | 6 | SE | F Tiafoe | 6 | 77 | |||||||||||||||||||
 G Escobar | 4 | 2 | E Gómez | 1 | 62 | ||||||||||||||||||||||
| E Gómez | 6 | 6 | E Gómez | 6 | 5 | 6 | |||||||||||||||||||||
| K King | 63 | 2 | 7 | S Devvarman | 4 | 7 | 4 | ||||||||||||||||||||
| 7 | S Devvarman | 77 | 6 | SE | F Tiafoe | 1 | 6 | 77 | |||||||||||||||||||
| 3 | F Dancevic | 6 | 2 | 1 | PR | T Sandgren | 6 | 3 | 61 | ||||||||||||||||||
| PR | T Sandgren | 4 | 6 | 6 | PR | T Sandgren | 711 | 6 | |||||||||||||||||||
| R Williams | 2 | 7 | 67 | R Olivo | 69 | 2 | |||||||||||||||||||||
| R Olivo | 6 | 5 | 79 | PR | T Sandgren | 6 | 6 | ||||||||||||||||||||
 L Broady | 4 | 6 | 77 | 6 | B Fratangelo | 2 | 2 | ||||||||||||||||||||
| Q | S Bangoura | 6 | 3 | 61 | L Broady | 5 | 2 | ||||||||||||||||||||
| A Kuznetsov | 62 | 4 | 6 | B Fratangelo | 7 | 6 | |||||||||||||||||||||
| 6 | B Fratangelo | 77 | 6 | ||||||||||||||||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 8 | J McGee | 6 | 6 | ||||||||||||||||||||||||
 D King | 2 | 4 | 8 | J McGee | 7 | 4 | 4 | ||||||||||||||||||||
| J Donaldson | 2 | 6 | 6 | J Donaldson | 5 | 6 | 6 | ||||||||||||||||||||
| WC |  B Lock | 6 | 4 | 2 | J Donaldson | 6 | 77 | ||||||||||||||||||||
| Q | Mico Santiago | 2 | 1 |  V Millot | 4 | 64 | |||||||||||||||||||||
| V Millot | 6 | 6 | V Millot | 3 | 7 | 77 | |||||||||||||||||||||
| A Ward | 62 | 6 | 3 | 4 | J Kubler | 6 | 5 | 65 | |||||||||||||||||||
| 4 | J Kubler | 77 | 4 | 6 | J Donaldson | 3 | 2 | ||||||||||||||||||||
| 5 | F Argüello | 6 | 7 | 5 | F Argüello | 6 | 6 | ||||||||||||||||||||
| WC | S Kozlov | 4 | 5 | 5 | F Argüello | 0 | 6 | 6 | |||||||||||||||||||
| WC | T Paul | 2 | 6 | 6 | WC | T Paul | 6 | 3 | 2 | ||||||||||||||||||
| G Lapentti | 6 | 3 | 0 | 5 | F Argüello | 4 | 6 | 6 | |||||||||||||||||||
 R Rodríguez | 2 | 4 | M Krueger | 6 | 3 | 4 | |||||||||||||||||||||
| D Novikov | 6 | 6 | D Novikov | 1 | 4 | ||||||||||||||||||||||
| M Krueger | 7 | 6 | M Krueger | 6 | 6 | ||||||||||||||||||||||
| 2 | A Krajicek | 5 | 3 | ||||||||||||||||||||||||
Juan Mónaco was the defending champion, but lost to John Isner in the semifinals.
Isner went on to win the title, defeating Nicolás Almagro in the final, 6–3, 7–5.
João Souza was the defending champion, but lost to eventual champion Facundo Bagnis.
Bagnis defeated compatriot Facundo Argüello 6–2, 4–6, 6–3 in the final.
Thiemo de Bakker was the defending champion but chose not to compete.
Guido Andreozzi defeated top seed Diego Sebastián Schwartzman 6–7(5–7), 7–6(7–4), 6–0.
This was the first edition of the tournament.
Rafael Nadal won his 62nd tour-level title, defeating Alexandr Dolgopolov in the final, 6–3, 7-6(3).
Rubén Ramírez Hidalgo was the defending champion, but decided not to compete.
Guilherme Clezar was the current champion, and returned to defend his title, but lost in quarterfinals to Diego Schwartzman.
Facundo Argüello was the defending champion, but lost in the quarterfinals to Guido Andreozzi.
Rafael Nadal was the defending champion, but lost in the semifinals to Fabio Fognini.
David Ferrer was the three-time defending champion, but he chose to compete in Acapulco instead.
Rafael Nadal won the title, defeating Juan Mónaco in the final, 6–4, 6–1.
Fernando Verdasco was the defending champion, but lost to Sam Querrey in the semifinals.
Jack Sock won his first ATP singles title, defeating Querrey in the final, 7–6(11–9), 7–6(7–2).
Diego Schwartzman was the defending champion, but lost in the final to Facundo Argüello, 7–5, 6–3.
Kyle Edmund won the title, defeating Carlos Berlocq in the final 6–0, 6–4.
Rafael Nadal was the defending champion, but lost to Dominic Thiem in the semifinals.
David Ferrer was the defending champion, but lost in the quarterfinals to Dominic Thiem.
Pablo Cuevas was the defending champion and successfully defended his title, defeating Pablo Carreño Busta in the final, 7–6(7–4), 6–3.
Facundo Bagnis was the defending champion.
Facundo Argüello was the defending champion but lost in the first round to Frances Tiafoe.
Facundo Argüello was the defending champion but chose not to defend his title.
Fabio Fognini was the defending champion, but chose not to defend his title.
Fabio Fognini was the defending champion, but he chose to compete in Umag instead.