| Singles | |
|---|---|
| 1988 U.S. Men's Clay Court Championships | |
| Champion |  Andre Agassi |
| Runner-up | Jimmy Arias |
| Final score | 6–2, 6–2 |
| Draw | 32 |
| Seeds | 8 |
| Singles | |
|---|---|
| 1988 U.S. Men's Clay Court Championships | |
| Champion | Andre Agassi |
| Runner-up | Jimmy Arias |
| Final score | 6–2, 6–2 |
| Draw | 32 |
| Seeds | 8 |
A champion seed is indicated in bold text while text in italics indicates the round in which that seed was eliminated.
Andre Agassi (Champion) Aaron Krickstein (Quarterfinals) David Pate (First Round) Jay Berger (Quarterfinals, retired) Johan Kriek (Second Round)
Luiz Mattar (First Round) Jimmy Arias (Final)
Kelly Evernden (First Round)| First Round | Second Round | Quarterfinals | Semifinals | Final | ||||||||||||||||||||||||||||||
| 1 | A Agassi | 6 | 6 | |||||||||||||||||||||||||||||||
| J Brown | 1 | 4 | 1 | A Agassi | 6 | 6 | ||||||||||||||||||||||||||||
 C di Laura | 6 | 6 | C di Laura | 2 | 2 | |||||||||||||||||||||||||||||
| Q | M Flur | 4 | 1 | 1 | A Agassi | 6 | 6 | |||||||||||||||||||||||||||
| R Reneberg | 6 | 6 | R Reneberg | 1 | 3 | |||||||||||||||||||||||||||||
 S Youl | 3 | 4 | R Reneberg | 6 | 6 | |||||||||||||||||||||||||||||
| M Davis | 6 | 6 | 7 | M Davis | 1 | 4 | ||||||||||||||||||||||||||||
| 8 | K Evernden | 7 | 3 | 6 | 1 | A Agassi | 2 | 7 | 6 | |||||||||||||||||||||||||
| 4 | J Berger | 6 | 6 | L Duncan | 6 | 5 | 4 | |||||||||||||||||||||||||||
 G Muller | 1 | 1 | 4 | J Berger | 6 | 7 | 6 | |||||||||||||||||||||||||||
| S Giammalva Jr. | 6 | 6 | 6 | S Giammalva Jr. | 7 | 5 | 0 | |||||||||||||||||||||||||||
| WC | M Purcell | 4 | 7 | 2 | 4 | J Berger | 0 | 0r | ||||||||||||||||||||||||||
| T Witsken | 0 | 5 | L Duncan | 6 | 3 | |||||||||||||||||||||||||||||
| L Duncan | 6 | 7 | L Duncan | 7 | 7 | |||||||||||||||||||||||||||||
| J Ross | 2 | 6 | 4 | 5 | J Kriek | 6 | 6 | |||||||||||||||||||||||||||
| 5 | J Kriek | 6 | 2 | 6 | 1 | Andre Agassi | 6 | 6 | ||||||||||||||||||||||||||
| 6 | L Mattar | 2 | 2 | 7 | Jimmy Arias | 2 | 2 | |||||||||||||||||||||||||||
 M Šrejber | 6 | 6 | M Šrejber | 1 | 2 | |||||||||||||||||||||||||||||
| Q | M Chang | 6 | 5 |  H de la Peña | 6 | 6 | ||||||||||||||||||||||||||||
| H de la Peña | 7 | 7 | H de la Peña | 3 | 6 | |||||||||||||||||||||||||||||
 J Lozano | 6 | 3 | 1 | WC | J Courier | 6 | 7 | |||||||||||||||||||||||||||
| WC | J Courier | 3 | 6 | 6 | WC | J Courier | 6 | 6 | ||||||||||||||||||||||||||
| Q |  D Pérez | 6 | 6 | Q | D Pérez | 1 | 2 | |||||||||||||||||||||||||||
| 3 | D Pate | 3 | 1 | WC | J Courier | 2 | 6 | 2 | ||||||||||||||||||||||||||
| 7 | J Arias | 6 | 6 | 7 | J Arias | 6 | 3 | 6 | ||||||||||||||||||||||||||
| D Cassidy | 2 | 2 | 7 | J Arias | 7 | 6 | ||||||||||||||||||||||||||||
| J Yzaga | 7 | 6 | J Yzaga | 6 | 2 | |||||||||||||||||||||||||||||
| T Wilkison | 5 | 4 | 7 | J Arias | 6 | 6 | ||||||||||||||||||||||||||||
| Q | J Palmer | 6 | 2 | 4 | 2 | A Krickstein | 0 | 2 | ||||||||||||||||||||||||||
| C Miniussi | 4 | 6 | 6 | C Miniussi | 1 | 0 | ||||||||||||||||||||||||||||
| WC | B Willenborg | 3 | 3 | 2 | A Krickstein | 6 | 6 | |||||||||||||||||||||||||||
| 2 | A Krickstein | 6 | 6 | |||||||||||||||||||||||||||||||
Gretchen Magers was the defending champion but lost in the quarterfinals to Sara Gomer.
Steffi Graf was the defending champion but did not compete that year.
Jana Novotná and Arantxa Sánchez Vicario were the defending champions but only Sánchez Vicario competed that year with Mary Joe Fernández.
Michael Stich won in the final 6–3, 6–2, 7–6(7–5) against Goran Ivanišević.
Steffi Graf was the defending champion but did not compete that year.
Monica Seles was the defending champion but did not compete that year.
Second-seeded Yayuk Basuki won in the final 6–4, 6–2 against Kyōko Nagatsuka.
Martina Navratilova and Gabriela Sabatini were the defending champions but did not compete that year.
Pam Shriver was the four-time defending champion but lost in the final 6–2, 6–1 against Claudia Kohde-Kilsch.
Kathleen Horvath was the defending champion but lost in the first round to Silvia La Fratta.
Ruxandra Dragomir was the defending champion but lost in the first round to Julie Halard-Decugis.
Amanda Coetzer was the defending champion but lost in the first round to Elena Tatarkova.
Jonathan Stark and Kevin Ullyett were the defending champions and won in the final 6–1, 6–4 against Leoš Friedl and Radek Štěpánek.
Mark Philippoussis was the defending champion but lost in the first round to Jonas Björkman.
Wayne Ferreira and Yevgeny Kafelnikov were the defending champions but lost in the second round to Wayne Black and Kevin Ullyett.
Jonas Björkman and Todd Woodbridge were the defending champions but lost in the final 6–2, 6–4 against Mahesh Bhupathi and Jan-Michael Gambill.
Lleyton Hewitt was the defending champion but lost in the quarterfinals to Arnaud Clément.
Conchita Martínez won in the final 6–1, 6–2 against Barbara Paulus.
Karol Kučera was the defending champion but did not compete that year.
The 1998 Mercedes-Benz Cup was a men's tennis tournament played on Hard in Los Angeles, United States that was part of the International Series of the 1998 ATP Tour. It was the seventy-first edition of the tournament and was held from 27 July – 2 August 1998.