Mata turned 25 on Sunday as the Blues registered a confident 2-0 win over Swansea at Stamford Bridge to reclaim third spot and pole position to secure Champions League football next season.
And the Spaniard is positive about Chelsea's prospects come the end of the campaign, with a Europa League semi-final second leg also to come on Thursday.
|PREMIER LEAGUE LATEST
|5/1||Juan Mata is 5/1 with Paddy Power to opening the scoring between Chelsea and Basel
"I couldn't have thought about a better way to celebrate [my birthday] than a victory and the company of my family and friends.
"We managed to beat a competitive Swansea, a team with some friends of mine like Pablo [Hernandez] and Michu.
"[They are] three key points in our aim to be in the next Champions League, even more after Arsenal and Tottenham's draws [against Manchester United and Wigan respectively]."