Watching from the sidelines hasn’t been easy for Dinara Safina, but partnering with Diana Shnaider has offered the former No. 1 a new way to live the sport she once ruled.

No. 13 seed Diana Shnaider delivered the first 6-0, 6-0 win in a WTA main draw of her career over Anastasija Sevastova in the Mutua Madrid Open third round. Shnaider's two previous professional 6-0, 6 ...