Poland's Marcin Matkowski (R) and Serbia's Nenad Zimonjic (L) play against Netherland's Jean-Julien Rojer and Romania's Horia Tecau during their men's doubles group stage match on day two of the ATP World Tour Finals tennis tournament in London on November 16, 2015. Tecau and Rojer won the match 6-2, 6-4. AFP PHOTO / GLYN KIRK