![Steffi Graf (L) and her son Jaden Agassi watch [Andre Agassi play Roger Federer] of Switzerland, in their quarter final match at the 2004 U.S. Open in New York, September 9, 2004. [ Steffi Graf (L) and her son Jaden Agassi watch [Andre Agassi play Roger Federer] of Switzerland, in their quarter final match at the 2004 U.S. Open in New York, September 9, 2004. [](https://c8.alamy.com/comp/2D4HP9D/steffi-graf-l-and-her-son-jaden-agassi-watch-andre-agassi-play-roger-federer-of-switzerland-in-their-quarter-final-match-at-the-2004-us-open-in-new-york-september-9-2004-federer-defeated-agassi-6-3-2-6-7-5-3-6-6-3-2D4HP9D.jpg)
Steffi Graf (L) and her son Jaden Agassi watch [Andre Agassi play Roger Federer] of Switzerland, in their quarter final match at the 2004 U.S. Open in New York, September 9, 2004. [
![Former German tennis champion Graf watches her husband Agassi play against Switzerland's Federer at Australian Open in Melbourne. Former German tennis champion Steffi Graf watches her husband Andre Agassi of the U.S. Former German tennis champion Graf watches her husband Agassi play against Switzerland's Federer at Australian Open in Melbourne. Former German tennis champion Steffi Graf watches her husband Andre Agassi of the U.S.](https://c8.alamy.com/comp/2D4KA1G/former-german-tennis-champion-graf-watches-her-husband-agassi-play-against-switzerlands-federer-at-australian-open-in-melbourne-former-german-tennis-champion-steffi-graf-watches-her-husband-andre-agassi-of-the-us-play-against-top-seed-roger-federer-of-switzerland-at-the-2005-australian-open-tennis-in-melbourne-january-25-2005-federer-demolished-andre-agassi-6-3-6-4-6-4-on-tuesday-to-reach-the-semi-finals-of-the-australian-open-with-a-performance-sure-to-strike-fear-into-his-2D4KA1G.jpg)
Former German tennis champion Graf watches her husband Agassi play against Switzerland's Federer at Australian Open in Melbourne. Former German tennis champion Steffi Graf watches her husband Andre Agassi of the U.S.
Martina Hingis of Switzerland and Steffi Graf of Germany shake hands... Photo d'actualité - Getty Images
![Steffi Graf of Germany serves to Patty Schnyder of Switzerland during U.S. Open fourth round play at the USTA National Tennis Center September 6. Graf is a former champion and the eighth Steffi Graf of Germany serves to Patty Schnyder of Switzerland during U.S. Open fourth round play at the USTA National Tennis Center September 6. Graf is a former champion and the eighth](https://c8.alamy.com/comp/2D5BE3R/steffi-graf-of-germany-serves-to-patty-schnyder-of-switzerland-during-us-open-fourth-round-play-at-the-usta-national-tennis-center-september-6-graf-is-a-former-champion-and-the-eighth-seed-bpssvsb-2D5BE3R.jpg)