| Singles | |
|---|---|
| 1989 Athens Trophy | |
| Champion |  Cecilia Dahlman |
| Runner-up |  Rachel McQuillan |
| Score | 6–3, 1–6, 7–5 |
| Draw | 32 (4Q) |
| Seeds | 8 |
Isabel Cueto was the defending champion, but lost in the first round to Federica Bonsignori.
Cecilia Dahlman won the title by defeating Rachel McQuillan 6–3, 1–6, 7–5 in the final. [1]
| Semifinals | Final | ||||||||||||
| Cecilia Dahlman | 6 | 6 | |||||||||||
| 8 |  Laura Garrone | 4 | 2 | ||||||||||
| Cecilia Dahlman | 6 | 1 | 7 | ||||||||||
| Rachel McQuillan | 3 | 6 | 5 | ||||||||||
| Q | Francesca Romano | 1 | 2 | ||||||||||
| Rachel McQuillan | 6 | 6 | |||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 1 |  I Cueto | 1 | 6 | 4 | |||||||||||||||||||||||
| F Bonsignori | 6 | 3 | 6 | F Bonsignori | 5 | 3 | |||||||||||||||||||||
| C Dahlman | 6 | 6 | C Dahlman | 7 | 6 | ||||||||||||||||||||||
| Q |  E Zardo | 3 | 0 | C Dahlman | 6 | 2 | 7 | ||||||||||||||||||||
| Q |  H ter Riet | 6 | 3 | 6 | B Romanò | 4 | 6 | 6 | |||||||||||||||||||
| S Meier | 2 | 6 | 7 | S Meier | 7 | 2 | 3 | ||||||||||||||||||||
| B Romanò | 6 | 6 | B Romanò | 5 | 6 | 6 | |||||||||||||||||||||
| 5 |  P Tarabini | 0 | 1 | C Dahlman | 6 | 6 | |||||||||||||||||||||
| 3 | B Fulco | 4 | 7 | 7 | 8 | L Garrone | 4 | 2 | |||||||||||||||||||
| M Jaggard | 6 | 5 | 5 | 3 | B Fulco | 3 | 4 | ||||||||||||||||||||
 I Budařová | 3 | 6 | 7 | I Budařová | 6 | 6 | |||||||||||||||||||||
 C Papadáki | 6 | 1 | 6 | I Budařová | 4 | 1 | |||||||||||||||||||||
 J Halard | 6 | 6 | 8 | L Garrone | 6 | 6 | |||||||||||||||||||||
| Q |  K Nowak | 3 | 2 | J Halard | 6 | 6 | 4 | ||||||||||||||||||||
 P Ritter | 6 | 2 | 3 | 8 | L Garrone | 7 | 4 | 6 | |||||||||||||||||||
| 8 | L Garrone | 3 | 6 | 6 | |||||||||||||||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 6 | A Kanellopoulou | 6 | 6 | ||||||||||||||||||||||||
 K Kschwendt | 0 | 2 | 6 | A Kanellopoulou | 4 | 6 | 6 | ||||||||||||||||||||
| M Pawlik | 6 | 6 | M Pawlik | 6 | 3 | 4 | |||||||||||||||||||||
 S Appelmans | 3 | 4 | 6 | A Kanellopoulou | 6 | 7 | 2 | ||||||||||||||||||||
| O Tsarbopoulou | 3 | 2 | Q | F Romano | 7 | 6 | 6 | ||||||||||||||||||||
| Q | F Romano | 6 | 6 | Q | F Romano | 6 | 6 | ||||||||||||||||||||
| C Cohen | 6 | 6 | C Cohen | 3 | 1 | ||||||||||||||||||||||
| 4 | S Hack | 3 | 4 | Q | F Romano | 1 | 2 | ||||||||||||||||||||
| 7 |  A Vieira | 6 | 0 | R McQuillan | 6 | 6 | |||||||||||||||||||||
 T Scheuer-Larsen | 2 | 2r | 7 | A Vieira | 4 | 4 | |||||||||||||||||||||
 S Goleš | 6 | 4 | R McQuillan | 6 | 6 | ||||||||||||||||||||||
| R McQuillan | 7 | 6 | R McQuillan | 6 | 6 | ||||||||||||||||||||||
| E Švíglerová | 1 | 3 | 2 | S Cecchini | 3 | 4 | |||||||||||||||||||||
 E Pampoulova | 6 | 6 | E Pampoulova | 3 | 1 | ||||||||||||||||||||||
| V Martinek | 6 | 1 | 2 | S Cecchini | 6 | 6 | |||||||||||||||||||||
| 2 | S Cecchini | 7 | 6 | ||||||||||||||||||||||||
Stefan Edberg defeated the defending champion Boris Becker in the final, 6–2, 6–2, 3–6, 3–6, 6–4 to win the gentlemen's singles tennis title at the 1990 Wimbledon Championships.
Kathy Jordan and Elizabeth Smylie defeated Mercedes Paz and Arantxa Sánchez Vicario in the final, 7–6(7–4), 6–4 to win the doubles tennis title at the 1990 Virginia Slims Championships.
As the U.S. Pro Tennis Championships was an exhibition tournament during the early 1990s, no doubles tournaments were played at that time. The last edition was played in 1989, and was won by Andrés Gómez and Alberto Mancini. Both players retired from professional tennis in 1993 and 1994, respectively.
Brad Gilbert was the defending champion, but lost in the first round to Gary Muller.
Pieter Aldrich and Danie Visser were the defending champions, but decided to not compete this year after winning the Australian Open 2 weeks earlier.
Ricki Osterthun and Udo Riglewski were the defending champions, but Osterthun did not compete this year. Riglewski teamed up with Michael Stich and lost in the first round to Fabrice Santoro and Thierry Tulasne.
Peter Ballauff and Rüdiger Haas were the defending champions, but did not compete this year.
In the sole edition of the tournament, Mihnea-Ion Năstase and Goran Prpić won the title by defeating Ola Jonsson and Fredrik Nilsson 3–6, 7–5, 6–3 in the final.
In the first edition of the tournament, John Fitzgerald and Anders Järryd won the title by defeating Grant Connell and Patrick Galbraith 6–2, 6–1 in the final.
In the first edition of the tournament, Yayuk Basuki won the title by defeating Naoko Sawamatsu 6–2, 6–2 in the final.
Sabine Appelmans was the defending champion, but did not compete this year.
Aaron Krickstein was the defending champion, but lost in the first round to Todd Witsken.
Martin Davis and Tim Pawsat were the defending champions, but none competed this year. Davis retired from professional tennis during this season.
Sergio Casal and Emilio Sánchez were the defending champions, but Emilio Sánchez did not compete this year. Casal teamed up with Javier Sánchez and lost in the semifinals to Pablo Albano and Javier Frana.
Iva Budařová and Regina Rajchrtová were the defending champions, but Rajchrtová opted to rest in order to compete at the Fed Cup the next week. Budařová teamed up with Catherine Tanvier and lost in the semifinals to Carin Bakkum and Nicole Jagerman.
Luiz Mattar was the defending champion, but lost in the final to Martín Jaite. The score was 3–6, 6–4, 6–3.
Ricardo Acioly and Dácio Campos were the defending champions, but competed this year with different partners. Acioly teamed up with Miguel Nido and lost in the quarterfinals to Danilo Marcelino and Mauro Menezes, while Campos teamed up with José Daher and lost in the first round to Pablo Albano and César Kist.
Isabel Cueto was the defending champion, but lost in the quarterfinals to Federica Bonsignori.
This is the first edition of the tournament as part of the WTA Tour. Isabel Cueto won the inaugural title by defeating Barbara Paulus 6–2, 6–3 in the final.
This is the first edition of the tournament as part of the WTA Tour. Laura Garrone and Karin Kschwendt won the title by defeating Florencia Labat and Barbara Romanò 6–2, 6–4 in the final.