The world No. 1 was thrown off by Siegemund's changes in pace and rhythm, but came through in three tight, tense sets.

The Wimbledon semifinal between top-ranked Sabalenka and American Anisimova might not be as straightforward as it seems. We break it down.

Amanda Anisimova, the New Jersey-born former phenom who made a French Open semifinals when she was 17 but had yet to break through to a Grand Slam final, will finally compete for a major trophy after the now 23-year-old upset top-seeded Aryna Sabalenka in the Wimbledon semifinals on Thursday, 6-4, 4-6, 6-4.