* Updates from the pool match at the 02 Arena * Federer delivers masterclass in win over Djokovic * And you can email Tumaini here or tweet him here 4.19pm GMT THIRD SET: RAFAEL NADAL 6-7(4) 6-4 *1-2 STEFANOS TSITSIPAS: Tsitsipas holds again with some great serving, including an ace to bring up 40-15. When Nadal pegged him back to deuce, he found a good service winner and then he slipped in a serve and volley to hold. The Greek needs to move to the net more and throw in more serve and volleys, as he did in the first set. Now is not the time for being tentative and cautious. 4.15pm GMT THIRD SET: RAFAEL NADAL 6-7(4) 6-4 1-1* STEFANOS TSITSIPAS: Nadal continues to serve well in the third set and he is still yet to face a break point. His body serve is particularly purring and he holds with one such 124mph bullet. Continue reading...