The 1988 US Open was a tennis tournament played on outdoor hard courts at the USTA National Tennis Center in New York City, United States. It was the 108th edition of the US Open and was held from August 29 to September 11, 1988.
| 1988 US Open | |
|---|---|
| Date | August 29 – September 11 |
| Edition | 108th |
| Category | Grand Slam (ITF) |
| Surface | Hardcourt |
| Location | New York City, United States |
| Champions | |
| Men's singles | |
 Mats Wilander | |
| Women's singles | |
 Steffi Graf | |
| Men's doubles | |
 Sergio Casal / Emilio Sánchez | |
| Women's doubles | |
 Gigi Fernández / Robin White | |
| Mixed doubles | |
 Jana Novotná / Jim Pugh | |
| Boys' singles | |
 Nicolás Pereira | |
| Girls' singles | |
| Carrie Cunningham | |
| Boys' doubles | |
| Jonathan Stark / John Yancey | |
| Girls' doubles | |
| Meredith McGrath / Kimberly Po | |
Seniors edit
Men's singles edit
Mats Wilander defeated Ivan Lendl 6–4, 4–6, 6–3, 5–7, 6–4
- It was Wilander's 7th and last career Grand Slam title and his only US Open title. He became the first male player since Jimmy Connors in 1974 to win three Grand Slam titles in a season. The final was the longest in the Open's history, lasting 4 hours and 55 minutes
Women's singles edit
Steffi Graf defeated 
Gabriela Sabatini 6–3, 3–6, 6–1
- It was Graf's 5th career Grand Slam title and her 1st US Open title. She became the second woman in the Open Era to complete a singles Grand Slam in a calendar year after Margaret Court did so in 1970. After winning the Olympic title in Seoul weeks later, she became the first (and so far only) man or woman to win a calendar year Golden Slam.
Men's doubles edit
Sergio Casal / Emilio Sánchez defeated Rick Leach / Jim Pugh by walkover
- It was Casal's 2nd career Grand Slam title and his 2nd and last US Open title. It was Sánchez's 4th career Grand Slam title and his 2nd and last US Open title.
Women's doubles edit
Gigi Fernández / Robin White defeated Patty Fendick / 
Jill Hetherington 6–4, 6–1
- It was the 1st career Grand Slam title and 1st US Open title for both Fernández and White.
Mixed doubles edit
Jana Novotná / Jim Pugh defeated 
Elizabeth Smylie / Patrick McEnroe 7–5, 6–3
- It was Novotná's 2nd career Grand Slam title and her 1st US Open title. It was Pugh's 3rd career Grand Slam title and his only US Open title.
Juniors edit
Boys' singles edit
Nicolás Pereira defeated Nicklas Kulti 6–1, 6–2
Girls' singles edit
Carrie Cunningham defeated Rachel McQuillan 7–5, 6–3
Boys' doubles edit
Jonathan Stark / John Yancey defeated 
Massimo Boscatto / Stefano Pescosolido 7–6, 7–5
Girls' doubles edit
Meredith McGrath / Kimberly Po defeated Cathy Caverzasio / Laura Lapi 6–3, 6–1