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.

Canada's Leylah Fernandez produced a dominant performance to defeat Russia's Anna Kalinskaya in straight sets and win the WTA Tour's DC Open in Washington on Sunday.Fernandez got off to a blistering start,

Leylah Fernandez needed just 1 hour and 9 minutes to cruise past Anna Kalinskaya and win the Mubadala Citi DC Open title -- her first WTA 500 trophy.

Left-hander Leylah Fernandez knocked out the world No. 4, 6-3, 1-6, 6-4, to reach the quarterfinals in Washington, D.C. on Thursday evening. The Canadian wiped away an early break in the decider, before beating Pegula to the finish line when her opponent’s forehand clipped the tape and sailed wide on the first match point of the day.

The young Canadian sweated out a rally past Kazakhstan’s Elena Rybakina to advance in three sets. She’ll face Russia’s Anna Kalinskaya in Sunday’s final.

One game away from defeat, Leylah Fernandez battled all the way back to win a 3-hour and 12-minute, three-tiebreak epic over Elena Rybakina in the Mubadala Citi DC Open semifinals.

Raducanu has already secured British No 1 status with her progress in Washington DC and now faces a final four test against Kalinskaya with Leylah Fernandez facing Elena Rybakina in the other Citi Ope