A stray shot from Haase rebounded off the umpire's chair during the third set. She, however, has not advanced to the third round since 2006.
Williams whipped 30 winners compared to six for her opponent and converted five of 14 break points avenging a 6-4, 6-3, loss to Nara at Indian Wells a year ago.
Talking at the Met Gala on May 1, she said: 'We're waiting. I wish he was following along. "It's a great opportunity for me to grow together with him and to experience, you know, whatever is ahead of us". "Just so emotional. It's hard to describe. That just wraps it up", said Venus, who has never got beyond the quarter-finals in Paris since her runners-up spot 15 years ago. "I'm going to try and give it my best".
The French Open is turning into a bitterly disappointing experience for the US men's contingent, but the American women have been mitigating the pain.
"I'm very happy to come back on the Court Philippe Chatrier", said Nadal, who had 33 winners. "Last year was not the best for me".
As for attending the French open and not playing?
The only seed she may have to face is recent Strasbourg champion Samantha Stosur, who will face Kristina Kucova in her first match tonight.
However, the defending champion, Garbine Muguruza, who survived a big scare, 6-7 (4), 6-4, 6-2, against Anett Kontaveit, remains the likely quarter-final opponent.
The German left-hander has endured a miserable clay court season, losing early in Stuttgart and crashing out in her Rome opener, while retiring from her last-16 clash in Madrid with a lower back injury.
The two-time Wimbledon champion hit 31 winners and nine aces as she became the first woman through to the second round.
Wang forced a tiebreak, but still could not get the upper hand.
Serena Williams sporting a ditsy floral jacket at the French Open.
Nara has spent the past month laboring in the minor leagues, where she banked some confidence with wins over lesser players.
Home favorite Jo-Wilfried Tsonga also exited the tournament, unable to turn around a first-round match against Roland Garros debutant Renzo Olivo that had been suspended on Tuesday due to darkness.
Williams then fended off a crucial break point opportunity in the next game, eventually holding her serve to consolidate the break and extend her lead to 5-3, keeping her just one game away from winning the first set.