John Peers watches on as Henri Kontinen chases down a ball on Thursday in their Australian Open semi-final victory.

Australia's John Peers and Lleyton Hewitt defeat Oliver Marach and Jurgen Melzer of Austria in the Davis Cup World Group Play-offs on Saturday.

Henri Kontinen and John Peers claim their third ATP World Tour Masters 1000 title as a team on Sunday in Toronto.

Henri Kontinen and John Peers do not face a break point in their championship victory against Raven Klaasen and Michael Venus on Sunday.

Henri Kontinen and John Peers will try to win their first Rogers Cup title on Sunday.

Third seeds John Peers and Henri Kontinen recover from a two-set deficit, but fall in five sets against Maximo Gonzalez and Nicolas Jarry on Thursday.

Henri Kontinen and John Peers capture their second title of the year, beating defending champs Jamie Murray and Bruno Soares at The Queen's Club.

Henri Kontinen and John Peers drop the first set against Leonardo Mayer and Horacio Zeballos, but rally to earn their second title in Brisbane.

John Peers, left, and Henri Kontinen advance to the semi-finals of the Brisbane International presented by Suncorp on Wednesday.

ATP Senior Tour Manager Fernando Sanchez with the first doubles team to win back-to-back season finales since 2003 and 2004, Henri Kontinen and John Peers.

John Peers and Henri Kontinen celebrate after defeating top-seeded Lukasz Kubot and Marcelo Melo for the fourth time this season.

Henri Kontinen & John Peers celebrate their second Nitto ATP Finals trophy with coach Jonathan Marray, Peers' daughter Ellie & wife Danielle.

John Peers and Henri Kontinen defeat Jamie Murray and Bruno Soares to advance to the championship match in London.

John Peers and Henri Kontinen defeated Jean-Julien Rojer and Horia Tecau in straight-sets on Tuesday in round-robin play at the Nitto ATP Finals.

The world’s top eight doubles teams attend the 2017 Nitto ATP Finals Official Launch, presented by Moët & Chandon, at the Tower of London.

Henri Kontinen and John Peers lift their first trophy at the Shanghai Rolex Masters.

John Peers and Henri Kontinen seek to better their 2016 runner-up finish at the Shanghai Rolex Masters.

Henri Kontinen and John Peers lift their third team trophy of the season, in Beijing.

Henri Kontinen and John Peers advance to the China Open semi-finals, where they will play Paolo Lorenzi and Mischa Zverev.

John Peers and Jordan Thompson give captain Lleyton Hewitt reason to celebrate as Australia take a 2-1 lead on Belgium.

Henri Kontinen and John Peers claim their second title of the year in Washington, D.C.

John Peers, left, and Henri Kontinen advance to the Citi Open doubles final on Saturday in Washington, D.C.

Henri Kontinen and John Peers prevail in an epic Wimbledon quarter-final.

Top seeds John Peers and Henri Kontinen begin their quest for a Wimbledon crown with a win over Italians Fabio Fognini and Andreas Seppi on Thursday.

John Peers (L) and Henri Kontinen are aiming for their first Wimbledon title.