Eastleigh

Remain United Target seat
https://www.remainunited.org/marginal-seats/ Seat Party Predicted winner WITHOUT tactical voting Predicted winner WITH tactical voting Tactical voting Majority

45	Eastleigh	CON	CON	-0.9%

One UK
https://www.oneuk.org/

Eastleigh	CONSERVATIVE	 LEAVE

https://en.wikipedia.org/wiki/Eastleigh_(UK_Parliament_constituency)