Manchester Thunder kept their unbeaten Superleague record but were pushed all the way by a spirited Team Bath.
The hosts were two points ahead after the first quarter on Monday but leaders Thunder pulled ahead at half-time and eventually took the game 40-37.
Tracey Neville's side have already secured a play-off place and will play their home semi at Manchester Arena.
There were also round 10 wins for Surrey Storm, Celtic Dragons and Hertfordshire Mavericks.
Storm beat Yorkshire Jets 69-56 to secure their eighth victory in 10 games, and inflicted a first defeat in six on their opponents.
Celtic Dragons moved off the bottom of the table after winning 55-48 against struggling Team Northumbria, who now occupy eighth place.
Meanwhile, Mavericks beat Loughborough Lightning 58-45.
|Top four progress to play-offs|