Aryna Sabalenka was on her game in defeating Marta Kostyuk 6-3, 6-2 to advance to the second round of the French Open. #NBCSports #FrenchOpen #ArynaSabalenka » Subscribe to NBC Sports: https://www.youtube.com/nbcsports?sub_confirmation=1 » Watch Live Sports on NBCSports.com: http://www.nbcsports.com/live NBC Sports Group serves sports fans 24/7 with premier live events, insightful studio shows, and compelling original programming. NBC Sports is an established leader in the sports media landscape with an unparalleled collection of sports properties that include the Olympics, NFL, Premier League, NASCAR, PGA TOUR, the Kentucky Derby, Tour de France, French Open, IndyCar and many more. Subscribe to our channel for the latest sporting news and highlights! Visit NBC Sports: https://www.nbcsports.com Find NBC Sports on Facebook: https://www.facebook.com/NBCSports Follow NBC Sports on Twitter: https://twitter.com/nbcsports Follow NBC Sports on Instagram: https://www.instagram.com/nbcsports/ https://www.nbcsports.com/nfl/sunday-night-football https://nbcsports.com/motors/nascar https://nbcsports.com/soccer/premier-league French Open first round: Aryna Sabalenka beats Marta Kostyuk in straight sets | NBC Sports https://www.youtube.com/nbcsports