Tecnifibre’s T-Fight is a racquet that lives up to its name. Whether slugging from the baseline or carving up opponents with precision, it’s a jack-of-all-trades frame that can adjust to any battle.

Play tennis. Cash checks. Repeat. That’s Danielle Collins’s motto. Fiery and intense with an insatiable desire to win, on the court Collins is all business. Her competitiveness, fearless attack and ...