It's not easy being a spectator, especially if you're watching a loved one compete. Sometimes the players themselves admit it's easier to play than to watch.

In Estoril, Kevin Anderson has put his wife, Kelsey through the wringer, battling back from a set down to win his second-round match over wildcard Joao Domingues, 3-6, 6-4, 7-5.

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Anderson is trying to bring his ranking back up to his former Top 10 days from its current position at No. 66.

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And his wife is just trying to survive the ride.

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On Friday, Kevin Anderson did it again, taking out Richard Gasquet, 6-2, 3-6, 7-6 (4), to reach the semifinals.

And once again, his wife felt the struggle.

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The 30-year-old Anderson is into his first ATP semifinal since winning Winston-Salem for his third career title back in 2015.