With the destination of the Davis Cup determined, the professional tennis season has come to a close. Thus, we begin our look back at 2017, a memorable year on and off the court. Our Top 10 On-Court Moments, and our Top 10 Off-Court Moments, will remind you of everything that transpired.

Success didn't stop players from changing coaches this season. Some highly productive partnerships ended (and will continue to end until the next season starts), including Stanislas Wawrinka and Magnus Norman, Andy Murray and Ivan Lendl, Karolina Pliskova and David Kotyza, Johanna Konta and Wim Fissette, Caroline Wozniacki and assistant coach Sascha Bajin, Milos Raonic and Riccardo Piatti (on top of previous splits with Richard Krajicek and Mark Knowles), Daria Kasatkina and Vladmir Platenik, and Angelique Kerber and Torben Beltz. All won their biggest titles or reached career-high rankings with those coaches.

In some cases it was the player who initiated the split, but in others it was the coach. But either way, it's obvious job performance doesn't always mean job security on the tour.

Stanislas Wawrinka ending his partnership with Magnus Norman was one of the more surprising coaching moves of the year:

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