It's been a while

Serena Williams is seeking her 24th Grand Slam title and seventh U.S. Open crown. It has been five years since her most recent Flushing Meadows title; what has happened to her since then?

2015: lost to Roberta Vinci 6-2, 4-6, 4-6 in semifinals

• The loss ended Williams' 33-match winning streak in majors.

2016: lost to Karolina Pliskova 6-2, 7-6 (5) in semifinals

• Williams fell out of the No. 1 ranking after a 3½-year reign.

2017: did not play

• Daughter Alexis was born Sept. 1, eight days before the final.

2018: lost to Naomi Osaka 6-2, 6-4 in final

• Forever remembered for Williams' feud with the chair umpire.