Tall, tenacious, talented. Three words describing players on both sides of the net. While Rybakina is in a greater spotlight than Pliskova these days, the seasoned veteran cannot be counted out.

When I made my first trip to the Australian Open, in 2011, Grigor Dimitrov was the young man everyone in Melbourne Park wanted to see. He was 19, he had been the No. 1 junior in the world, he played ...