TennisExplorer - Stan Wawrinka and Dominic Thiem both lose in their comeback matches after injuries at the ATP challenger event in Marbella. | Facebook
![ATP Tour on Twitter: "Wow 😲 #NextGenATP 🇮🇹 Lorenzo Musetti wins the first set 6-0 against Wawrinka. @InteBNLdItalia | #IBI20 https://t.co/QUWg16mndI" / Twitter ATP Tour on Twitter: "Wow 😲 #NextGenATP 🇮🇹 Lorenzo Musetti wins the first set 6-0 against Wawrinka. @InteBNLdItalia | #IBI20 https://t.co/QUWg16mndI" / Twitter](https://pbs.twimg.com/media/Eh-2xXxU4AEMgGQ.jpg)
ATP Tour on Twitter: "Wow 😲 #NextGenATP 🇮🇹 Lorenzo Musetti wins the first set 6-0 against Wawrinka. @InteBNLdItalia | #IBI20 https://t.co/QUWg16mndI" / Twitter
TennisExplorer - Karen Khachanov upsets Stan Wawrinka in Rotterdam he is through to the second round of the ABN AMRO after beating Wawrinka in straight sets 6-4, 7-5. | Facebook
![Rafael Nadal vs Stan Wawrinka (Editors note, in camera multiple exposure) during Day 2 of the 2015 Barclays ATP World Tour Finals - O2 Arena London England. 16 November 2015 Stock Photo - Alamy Rafael Nadal vs Stan Wawrinka (Editors note, in camera multiple exposure) during Day 2 of the 2015 Barclays ATP World Tour Finals - O2 Arena London England. 16 November 2015 Stock Photo - Alamy](https://l450v.alamy.com/450v/jc1r9c/swiss-tennis-player-stan-wawrinka-is-in-action-during-his-match-in-jc1r9c.jpg)