Having struggled for most of the day Selby ended really well, winning the final three frames of the evening.
Higgins still holds a lead but Selby's swagger returned in the final frames and the momentum may well have swung back to the defending champion.
Higgins had started the second mini-session really well, winning the first frame to ensure that he would have a lead overnight before producing an outrageous plant to open up a six frame lead.
However just when it seemed as if Selby was sinking without a trace he got a bit of luck as Higgins misses the pink whilst opening the pack.
This proved to be the break the world number one needed as he broke away to secure a break of 81 and the following frame he landed a 121, his first century of the final.
In the final frame before the interval Selby looked in control until he let Higgins back at the table however not for the first time Higgins lost his positioning and looked unhappy with the table.
The four-time champion vented his frustration with a loose shot and Selby took advantage with an excellent long red to secure the frame and keep the final interesting.
The pair shared the first mini-session of the evening with two frames apiece with Selby winning the first and last of the session.
After a really tense opening, that saw over 11 minutes pass without a pot, Selby eventually sank a red to the middle and he potted very well to get a frame back.
However Higgins then cleared up very well on two occasions as he won the battle of the safety's.
But Selby came back in the last frame, taking advantage as Higgins failed to sink a crucial pink.
Having fought back on two occasions in the first mini-session to be level at 2-2 Higgins then took control in the second mini-session.
Read the full article on eurosport.co.uk: Mark Selby fights back but John Higgins still leads overnight