Rusedski believes Alex Eala can reach the top five if her serve takes another step.
Eala beat Pegula in a rain-hit final to win her first WTA 500 title and enter the top 20.
Cincinnati has already seen withdrawals, with five women out before the event begins.
Eala reflects on rankings, her rise in Washington, and the final against Pegula.
Pegula and Eala will resume their Washington DC Open final on Monday after rain halted play.
Sabalenka backs the WTA’s new sex-testing rule and resets her game for the hard-court swing.
Eala reaches her first WTA 500 final in Washington after brushing off serve concerns.
Eala beats Osaka in Washington to reach her first WTA 500 final and a new career-high ranking.
Stubbs sees Grand Slam potential in Mboko, while casting doubt on Eala's ceiling without changes.
Alex Eala reflects on a Top 25 breakthrough after reaching the Washington Open semi-finals.
