At least Kiki Bertens can laugh about this one.

The tennis player was about to serve during match point while competing in the International Premier Tennis League, when she decided her toss wasn’t a good one. The result? She took a swing anyway, completely whiffed and the ball hit her in the head.

But that’s not the worst thing about this moment. From Business Insider:

“Under IPTL rules, once a ball is tossed into the air for a serve, the serving motion must be completed. “This, then, meant that Bertens had no choice but to try to serve despite her poor toss. The problem was that Bertens hesitated — clearly forgetting about the IPTL rule and planning to bail on the toss.”

That meant the miss was a costly one — she double-faulted and her match was over. But she tweeted about it afterwards: