 He also worked as a teaching professional at the Nice Lawn Tennis Club on the French Riviera, where he coached Suzanne Lenglen as a child, who later became a 21-time Grand Slam champion and one of the best women's tennis players in the amateur era.He had also worked as a coach at Russian tennis clubs, including in Odessa.Negro was known for his all-court game and his ability to hit a wide variety of tricky shots.