Sloane Stephens has pushed Simona Halep all the way in two finals in 2018 and the Romanian believes it has made her a better player.
Kyle Edmund earned his first Cincinnati victory by defeating Mackenzie McDonald 6-3 6-2 on Sunday.
Rafael Nadal pulled out of the Cincinnati Masters just hours after claiming his 80th ATP Tour title via the Rogers Cup.
Stefanos Tsitsipas was unable to claim a first ATP Tour title on the day he turned 20 as Rafael Nadal won the Rogers Cup final.
Simona Halep converted a match point at the fourth time of asking to beat Sloane Stephens in the Rogers Cup final.
Stefanos Tsitsipas must defeat Rafael Nadal to complete his Rogers Cup fairy tale after the Spaniard eliminated Karen Khachanov.
The determination of Elina Svitolina was not enough to halt Sloane Stephens' march into the final of the Rogers Cup.
World number one Simona Halep will face Sloane Stephens or Elina Svitolina in the Rogers Cup final after brushing aside Ashleigh Barty.
Ukraine's Elina Svitolina rallied to beat 14th seed Elise Mertens in straight sets in Montreal on Friday.
Stefanos Tsitsipas faced two match points before the in-form Greek teenager stunned Alexander Zverev in Toronto on Friday.