WASHINGTON (AP) — The biggest tennis title of Leylah Fernandez's career arrived at the D.C. Open on Sunday with the help of a terrific backhand, some superb returning — and energy courtesy of Shake Shack's burgers and fries.

Leylah Fernandez proved her resolve three times over on the way to the DC Open final — in two grueling matches against top-15 players and one against her former doubles partner and good friend, Taylor Townsend.

Leylah Fernandez has collected the biggest title of her career at the D.C. Open with her most lopsided victory of the tournament by defeating Anna Kalinskaya 6-1, 6-2 in the final. Sunday's win