The main contenders
Novak Djokovic (Serbia), 31. World ranking: 1. Seeded: 1 Six-time winner (last in 2016).
Biggest weapon: Back after an elbow injury, Djokovic has been unplayable at the last two Slams. His trademark deep returns keep opponents pegged back and his fitness levels mean he thrives in adverse conditions.
Biggest weakness: His serve is not the fastest and his break-point conversion rate has dropped in the past year.
Rafa Nadal (Spain), 32. World ranking: 2. Seeded 2. Winner in 2009
Biggest weapon: Nadal’s whipped topspin forehand is one of the most vicious shots in tennis.
Biggest weakness: Nadal’s high energy style has taken a toll over the years and he retired during the US Open semi-finals with tendonitis in his knee and followed that up by having ankle surgery in November. Roger Federer (Switzerland), 37. World ranking: 3. Seeded: 3. Six-time winner (last in 2018). Biggest weapon: The defending champion’s serve-and-volley game allows him to conserve energy and finish points quickly. His vast experience and formidable shot selection let him switch tactics quickly.
Weakness: Even at 37, there are barely any chinks in his armour but playing marathon five-setters in the heat may prove to be his undoing. Alexander Zverev (Germany), 21. World ranking: 4. Seeded: 4. Biggest weapon: Eight-times Major winner Ivan Lendl is coaching Zverev with the aim of helping him overcome his big-games jitters. Biggest weakness: Lack of experience and a disappointing record at Grand Slams, where the expectation has weighed him down.