Seventh seed Zheng Qinwen powered past Alize Cornet 6-2 6-1 and into the second round of the French Open on Tuesday, sending the Frenchwoman into retirement with a heavy defeat at her home Grand Slam, where she has featured for 20 straight years. France's Alize Cornet reacts next to Roland-Garros Open tennis tournament's director Amelie Mauresmo and French Tennis Federation's …
