Roger Federer loses to pal Wawrinka in 3 sets at French Open – The Denver Post
Numbers game: Roger Federer's hard-court edge, Stan Wawrinka's second serve - ESPN
Stan Wawrinka Jokingly Teases Roger Federer After Indian Wells Final | beIN SPORTS
Roger Federer vs Stan Wawrinka - Quarterfinals Highlights | Roland-Garros 2019 - YouTube
Stan Wawrinka Shares Details on 2014 Mirka Federer Feud
Stan Wawrinka shares picture with Roger Federer after winning gold medal in Beijing
Stan Wawrinka Rises, Challenging Roger Federer's Swiss Supremacy - The New York Times
Roger Federer to take on Stan Wawrinka in US Open semi-finals | Tennis News | Sky Sports
Tennis: Wawrinka on Federer: “I owe him a lot”
Stan Wawrinka on the influence 'big brother' Roger Federer had on his career: 'I owe him a lot'
Jon Wertheim: Greying field of tennis is evidenced at the Olympics; more mail - Sports Illustrated
US Open 2015: Roger Federer on the charge ahead of all-Swiss semi-final clash with Stan Wawrinka | The Independent | The Independent
With Stan Wawrinka, Roger Federer's Olympic dream comes true - Olympic News
Roger Federer beats Stan Wawrinka in five sets to reach Australian Open final – as it happened | Australian Open 2017 | The Guardian
Roger Federer was part of 'very tense' Stan Wawrinka feud days before winning Davis Cup | Tennis | Sport | Express.co.uk
Roger Federer and Stan Wawrinka: duel among friends · tennisnet.com
Tennis Will Never Be the Same Without You”: Compatriots Stan Wawrinka and Belinda Bencic Send Love to Roger Federer. - EssentiallySports
Stan Wawrinka calls Federer an 'A*****e' Live on TV. Roger's Reaction is Priceless | Tennis News
Federer and Nadal Advance in Miami Open, as Wawrinka Loses - The New York Times
