The 2015 Rio Open was a professional tennis tournament played on outdoor clay courts. It was the 2nd edition of the tournament, and part of the 2015 ATP World Tour and the 2015 WTA Tour. It took place in Rio de Janeiro, Brazil between 16 February and 22 February 2015.
| Event | W | F | SF | QF | Round of 16 | Round of 32 | width=85 | Q | width=85 | Q3 | width=85 | Q2 | width=85 | Q1 |
| Men's singles | 500 | 300 | 180 | 90 | 45 | 0 | 20 | 10 | 0 | |||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Men's doubles | ||||||||||||||
| Women's singles | 280 | 180 | 110 | 60 | 30 | 1 | 18 | 14 | 10 | 1 | ||||
| Women's doubles | 1 |
| Event | W | F | SF | QF | Round of 16 | Round of 321 | width=85 | Q3 | width=85 | Q2 | width=85 | Q1 |
| Men's singles | $343,000 | $154,620 | $73,240 | $35,340 | $18,020 | $9,910 | $1,115 | $615 | ||||
| Men's doubles * | $101,310 | $45,710 | $21,550 | $10,420 | $5,350 | |||||||
| Women's singles | $43,000 | $21,400 | $11,300 | $5,900 | $3,310 | $1,925 | $1,005 | $730 | $530 | |||
| Women's doubles * | $12,300 | $6,400 | $3,435 | $1,820 | $960 | |||||||
| Doubles prize money per team | ||||||||||||
| Country | Player | Ranking1 | Seed | |
|---|---|---|---|---|
 Spain | Rafael Nadal | 3 | 1 | |
| Spain | David Ferrer | 9 | 2 | |
| Spain | Tommy Robredo | 17 | 3 | |
 Italy | Fabio Fognini | 26 | 4 | |
 Argentina | Leonardo Mayer | 30 | 5 | |
| Pablo Cuevas | 32 | 6 | ||
 Colombia | Santiago Giraldo | 33 | 7 | |
 Slovakia | Martin Kližan | 38 | 8 |
The following players received wildcards into the main draw:
The following players received entry from the qualifying draw:
Marcel Granollers → replaced by Albert Montañés Santiago Giraldo (dehydration) Leonardo Mayer (dehydration) Diego Schwartzman (cramping)| Country | Player | Country | Player | Rank1 | Seed | |
|---|---|---|---|---|---|---|
 Austria | Alexander Peya |  Brazil | Bruno Soares | 22 | 1 | |
| Colombia | Juan Sebastián Cabal | Colombia | Robert Farah | 42 | 2 | |
| Austria | Julian Knowle | Brazil | Marcelo Melo | 48 | 3 | |
| Pablo Cuevas | Spain | David Marrero | 68 | 4 |
The following pairs received wildcards into the main draw:
David Marrero (illness)| Country | Player | Ranking1 | Seed | |
|---|---|---|---|---|
| Italy | Sara Errani | 13 | 1 | |
 Romania | Irina-Camelia Begu | 34 | 2 | |
| Italy | Roberta Vinci | 40 | 3 | |
| Madison Brengle | 46 | 4 | ||
 Sweden | Johanna Larsson | 71 | 5 | |
| Slovakia | Anna Karolína Schmiedlová | 75 | 6 | |
| Polona Hercog | 76 | 7 | ||
| Chanelle Scheepers | 83 | 8 |
The following players received wildcards into the main draw:
The following players received entry from the qualifying draw:
Ana Bogdan Estrella Cabeza Candela María Irigoyen Sara Sorribes Tormo Jana Čepelová → replaced by Andreea Mitu Sorana Cîrstea → replaced by 
Olivia Rogowska
Nicole Gibbs → replaced by Paula Ormaechea Christina McHale → replaced by Teliana Pereira Sílvia Soler Espinosa → replaced by 
Lucie Hradecká Ana Bogdan (heat illness) Beatriz Haddad Maia (cramping) María Teresa Torró Flor (left thigh injury)| Country | Player | Country | Player | Rank1 | Seed | |
|---|---|---|---|---|---|---|
| Romania | Irina-Camelia Begu | Argentina | María Irigoyen | 135 | 1 | |
| Chan Chin-wei | Romania | Raluca Olaru | 141 | 2 | ||
 United Kingdom | Jocelyn Rae | United Kingdom | Anna Smith | 192 | 3 | |
| Argentina | Florencia Molinero |  Liechtenstein | Stephanie Vogt | 216 | 4 |
The following pair received entry as alternates:
María Teresa Torró Flor (left thigh injury) Irina-Camelia Begu (right rib injury)See main article: 2015 Rio Open – Men's singles.
David Ferrer defeated Fabio Fognini, 6–2, 6–3See main article: 2015 Rio Open – Women's singles.
Sara Errani defeated Anna Karolína Schmiedlová, 7–6(7–2), 6–1[1]See main article: 2015 Rio Open – Men's doubles.
Martin Kližan / Philipp Oswald defeated Pablo Andújar / Oliver Marach, 7–6(7–3), 6–4See main article: 2015 Rio Open – Women's doubles.
Ysaline Bonaventure / Rebecca Peterson defeated Irina-Camelia Begu / María Irigoyen, 3–0, retired.