The three-time world champion will face Martin Gould in Sunday's final, after the world number 53 stunned world number one Judd Trump 6-3 in the other semifinal.
The South American zone World Cup qualifiers were originally scheduled to begin in late March but were suspended because of the COVID-19 pandemic.
"This is a new level of escalation," team manager Rouven Schroeder commented after coach Achim Beierlorzer unsuccessfully asked the team to start training.
Martinez is unlikely to make many changes to the side that beat Alaves on Sunday with Darwin Machis and Roberto Soldado leading the attack, while veteran striker Jorge Molina will also play a part at some point in the game.
“For the Beijing 2022 Winter Olympics, I believe that many domestic skiers are looking forward to it and are proud of it.”
It was also foul play that facilitated the Eagles opening the scoring in the 27th minute, as Dedryck Boyata hacked down Andre Silva inside the box, with the Portuguese stepping up and converting the resultant penalty.
Meanwhile all eyes will focus on whether new signing Edouard Mendy goes straight into the Chelsea side or if Frank Lampard keeps faith with Kepa Arrizabalaga after another bad error last weekend.
The second, decisive match will take place on September 30 in Salzburg, with the winner on aggregate to qualify for the Champions League's group stage. Enditem
Selby, 37, began the first stage by beating Fergal O'Brien 3-1 in the four-man group. Then the world number four defeated Brandon Sargeant with the same scoreline before drawing 2-2 with Chinese player Lyu Haotian in the last match.
Yu Jingyao from Beijing and world champion Fu Yuanhui had the same trouble as Yu.
Guangzhou regrouped after the interval and levelled in the 71st minute when Wu Chao slotted the ball into the net after collecting a pass from his teammate in the box.