Alexander Zverev has been the best player in the world in men's tennis this year - but a sense of discomfort remains.
Zverev becomes deserved world number one - but sense of discomfort remains

Original reporting
BBC Sport: read the full reportRelated stories

The England team who can still win the Rugby League World Cup
Those looking for hope down under can find it in an England rugby league team who can still enjoy some World Cup success.

Boulter wins despite incident getting under her skin
Katie Boulter says it is "lesson learned" as she overcomes an incident that "got under my skin" to reach the last-16 of the Hong Kong Open.

How are Ireland set for the Nations Championship?
As Ireland prepare for the northern hemisphere series in the 2026 Nations Championship, BBC Sport NI takes a look at how Andy Farrell's side is shaping up.

Australia omit star pace trio for England series
Australia omit the star pace trio of Pat Cummins, Josh Hazlewood and Mitchell Starc from their squads for the upcoming white-ball series against England.

Vikings, Chiefs and Cowboys beaten - NFL week eight
A wild weekend in the NFL saw Joe Burrow and the Tampa Bay Buccaneers make history, while Lamar Jackson was sidelined on his return from injury.

No Grealish, no cry - the rise of Everton's youngsters
BBC Sport examines the growing influence of Everton's youngsters on their chances of success this season.