In addition to the second 147 frame, world number one made a break of 100 and 61 to lead 3-2, but Robertson claimed successive victories over Selby after defeating him in the International Championship quarter-final last week in China.
The Thunder from Down Under heads the 95 and 72 races in a high-quality match – with 72 the 3-3 draw – and, having a seventh tense frame, will face the winner of Barry Hawkins and Mark Allen in the deciding group later on Thursday . Kyren Wilson looks forward to the semifinals.
On the other side of the raffle, Ronnie O & S; Sullivan takes Shaun Murphy in the other semifinal on Friday.
- Neil Robertson 4 – 3 Mark Selby
- Barry Hawkins against Mark Allen
- Barry Hawkins / Mark Allen vs. Neil Robertson
- Ronnie Sullivan against Shaun Murphy