US Open Tennis on X: "On this day in 1988 ⏰ Steffi Graf defeats Gabriela Sabatini 6-3, 6-3 at the Seoul @Olympics & becomes the first player to complete a Calendar Golden
![US Open Tennis on X: "Australian Open 🏆 Roland Garros 🏆 Wimbledon 🏆 US Open 🏆 Olympics 🥇 On this day in 1988, Steffi Graf completed the Golden Slam. 🤩 https://t.co/S1fgLWR43l" / X US Open Tennis on X: "Australian Open 🏆 Roland Garros 🏆 Wimbledon 🏆 US Open 🏆 Olympics 🥇 On this day in 1988, Steffi Graf completed the Golden Slam. 🤩 https://t.co/S1fgLWR43l" / X](https://pbs.twimg.com/media/EjK93PoXsAQai3z.jpg:large)
US Open Tennis on X: "Australian Open 🏆 Roland Garros 🏆 Wimbledon 🏆 US Open 🏆 Olympics 🥇 On this day in 1988, Steffi Graf completed the Golden Slam. 🤩 https://t.co/S1fgLWR43l" / X
![Steffi Graf wins the Grand Slam! - 1988 U.S. Open Tennis Champion - Sports Illustrated - September 19, 1988 - SI at Amazon's Sports Collectibles Store Steffi Graf wins the Grand Slam! - 1988 U.S. Open Tennis Champion - Sports Illustrated - September 19, 1988 - SI at Amazon's Sports Collectibles Store](https://m.media-amazon.com/images/I/71qfYQpNCQL.jpg)
Steffi Graf wins the Grand Slam! - 1988 U.S. Open Tennis Champion - Sports Illustrated - September 19, 1988 - SI at Amazon's Sports Collectibles Store
![Sports Illustrated Sept 19 1988 Steffi Graf at U.S. Open at Amazon's Entertainment Collectibles Store Sports Illustrated Sept 19 1988 Steffi Graf at U.S. Open at Amazon's Entertainment Collectibles Store](https://m.media-amazon.com/images/I/61GRorcduHL._AC_UF1000,1000_QL80_.jpg)
Sports Illustrated Sept 19 1988 Steffi Graf at U.S. Open at Amazon's Entertainment Collectibles Store
![West Germany Steffi Graf, 1988 Us Open Sports Illustrated Cover Poster by Sports Illustrated - Sports Illustrated Covers West Germany Steffi Graf, 1988 Us Open Sports Illustrated Cover Poster by Sports Illustrated - Sports Illustrated Covers](https://render.fineartamerica.com/images/rendered/default/poster/10.5/14/break/images/artworkimages/medium/2/west-germany-steffi-graf-1988-us-open-september-19-1988-sports-illustrated-cover.jpg)