![Photo: Serena Williams of the USA plays Kim Clijsters in the semi finals at the US Open Tennis Championships in New York - NYP20090912140 - UPI.com Photo: Serena Williams of the USA plays Kim Clijsters in the semi finals at the US Open Tennis Championships in New York - NYP20090912140 - UPI.com](https://cdnph.upi.com/pv/upi/909845420c142ebd2597cf0c0cb03b1a/2009-US-OPEN.jpg)
Photo: Serena Williams of the USA plays Kim Clijsters in the semi finals at the US Open Tennis Championships in New York - NYP20090912140 - UPI.com
![Kim Clijsters of Belgium serves to Serena Williams of the U.S. during their match at the U.S. Open tennis tournament in New York, September 12, 2009. REUTERS/Kevin Lamarque (UNITED STATES SPORT TENNIS Kim Clijsters of Belgium serves to Serena Williams of the U.S. during their match at the U.S. Open tennis tournament in New York, September 12, 2009. REUTERS/Kevin Lamarque (UNITED STATES SPORT TENNIS](https://c8.alamy.com/comp/2E7W068/kim-clijsters-of-belgium-serves-to-serena-williams-of-the-us-during-their-match-at-the-us-open-tennis-tournament-in-new-york-september-12-2009-reuterskevin-lamarque-united-states-sport-tennis-2E7W068.jpg)
Kim Clijsters of Belgium serves to Serena Williams of the U.S. during their match at the U.S. Open tennis tournament in New York, September 12, 2009. REUTERS/Kevin Lamarque (UNITED STATES SPORT TENNIS
![Serena Williams of the U.S. yells at a line judge after being called for a foot foul during her semi-final match against Kim Clijsters of Belgium at the U.S. Open tennis tournament Serena Williams of the U.S. yells at a line judge after being called for a foot foul during her semi-final match against Kim Clijsters of Belgium at the U.S. Open tennis tournament](https://c8.alamy.com/compfr/2e8e6p5/serena-williams-of-the-u-s-yells-at-a-line-judge-after-being-called-for-a-foot-foul-during-her-semi-final-match-against-kim-clijsters-of-belgium-at-the-u-s-open-tennis-tournament-in-new-york-september-12-2009-clijsters-won-the-match-6-4-7-5-which-ended-in-controversy-when-williams-was-called-for-a-foot-fault-on-a-second-serve-to-go-match-point-down-reuters-shaun-best-united-states-sport-tennis-images-of-the-day-2e8e6p5.jpg)
Serena Williams of the U.S. yells at a line judge after being called for a foot foul during her semi-final match against Kim Clijsters of Belgium at the U.S. Open tennis tournament
![Serena Williams of the U.S. walks off the court with a broken racket after losing the first set to Kim Clijsters of Belgium during their match at the U.S. Open tennis tournament Serena Williams of the U.S. walks off the court with a broken racket after losing the first set to Kim Clijsters of Belgium during their match at the U.S. Open tennis tournament](https://c8.alamy.com/comp/2E83C5W/serena-williams-of-the-us-walks-off-the-court-with-a-broken-racket-after-losing-the-first-set-to-kim-clijsters-of-belgium-during-their-match-at-the-us-open-tennis-tournament-in-new-york-september-12-2009-reutersshaun-best-united-states-sport-tennis-2E83C5W.jpg)
Serena Williams of the U.S. walks off the court with a broken racket after losing the first set to Kim Clijsters of Belgium during their match at the U.S. Open tennis tournament
![Serena niet aan haar proefstuk toe op US Open: ze ruziede eerder al twee keer met refs, onder andere in halve finale tegen Kim Clijsters | Het Nieuwsblad Mobile Serena niet aan haar proefstuk toe op US Open: ze ruziede eerder al twee keer met refs, onder andere in halve finale tegen Kim Clijsters | Het Nieuwsblad Mobile](https://img.nieuwsblad.be/qM76ZDg_-iiTOrZVpY3OKZ1KpJw=/fit-in/960x640/https%3A%2F%2Fstatic.nieuwsblad.be%2FAssets%2FImages_Upload%2F2018%2F09%2F09%2F49ea0f7e-b418-11e8-8f61-175dab582838_web_scale_0.1227747_0.1227747__.jpg)
Serena niet aan haar proefstuk toe op US Open: ze ruziede eerder al twee keer met refs, onder andere in halve finale tegen Kim Clijsters | Het Nieuwsblad Mobile
![USA's Serena Williams is defeated by Belgium's Kim Clijsters, 6-4, 7-5 in their Semi Final round match at the US Open tennis tournament in Flushing Meadows, New York City, NY, USA on USA's Serena Williams is defeated by Belgium's Kim Clijsters, 6-4, 7-5 in their Semi Final round match at the US Open tennis tournament in Flushing Meadows, New York City, NY, USA on](https://c8.alamy.com/comp/2E4BM82/usas-serena-williams-is-defeated-by-belgiums-kim-clijsters-6-4-7-5-in-their-semi-final-round-match-at-the-us-open-tennis-tournament-in-flushing-meadows-new-york-city-ny-usa-on-september-12-2009-photo-by-corinne-dubreuilcameleonabacapresscom-2E4BM82.jpg)
USA's Serena Williams is defeated by Belgium's Kim Clijsters, 6-4, 7-5 in their Semi Final round match at the US Open tennis tournament in Flushing Meadows, New York City, NY, USA on
![Serena Williams zet eerste stap naar 24e Grand Slam, Clijsters nipt onderuit | NU - Het laatste nieuws het eerst op NU.nl Serena Williams zet eerste stap naar 24e Grand Slam, Clijsters nipt onderuit | NU - Het laatste nieuws het eerst op NU.nl](https://media.nu.nl/m/9rzx9gnaqu9n_wd1280.jpg)
Serena Williams zet eerste stap naar 24e Grand Slam, Clijsters nipt onderuit | NU - Het laatste nieuws het eerst op NU.nl
![Serena Williams zet eerste stap naar 24e Grand Slam, Clijsters nipt onderuit | NU - Het laatste nieuws het eerst op NU.nl Serena Williams zet eerste stap naar 24e Grand Slam, Clijsters nipt onderuit | NU - Het laatste nieuws het eerst op NU.nl](https://media.nu.nl/m/kg9xuh4a060h_xwd1280.jpg/serena-williams-zet-eerste-stap-naar-24e-grand-slam-clijsters-nipt-onderuit.jpg)