Tennis players are forced to retire from matches with injuries all the time, but American Coco Gauff did something during Tuesday's China Open match vs. Naomi Osaka of Japan that fans aren't always used to seeing.

Coco Gauff helped carry Naomi Osaka ’s bags off the court after the former World No 1 retired from their highly anticipated China Open quarter-final with a back injury. Gauff had just levelled the match at one-set all when Osaka shook hands with her opponent, having received medical treatment earlier in the contest.

Naomi Osaka has revealed that a back injury forced her to retire during the fourth round of the China Open. The Japanese player was about to head into the deciding set of her match against Coco Gauff when she decided to withdraw.