Taylor Fritz is praising his girlfriend Morgan Riddle for her unwavering support. The tennis player, 27, spoke to the audience at Wimbledon after his 6-3, 6-4, 1-6, 7-6 (4) quarterfinal win over Karen Khachanov, and thanked Riddle for always standing by him throughout his various competitions in the five years they've been together.

No. 5 seed Taylor Fritz seeks a spot in the Wimbledon semifinals today when he takes on Karen Khachanov. Here's how to watch the quarterfinal match.

The American No. 1 had rallied from two sets down before his match was delayed despite having 42 minutes left before curfew.