Rangers face Viktoria Plzen in the third qualifying round of the Champions League with a spot in the play-off stage up for grabs.
Should Rangers overcome the Czech club later this month, they would move just one tie from the league phase of the Champions League.
Losing to Viktoria Plzen would see [[Rangers]] drop into the league phase of the Europa League.
Ahead of the Champions League play-off round draw on Monday, Rangers know the four possible teams they could come up against should they advance in the competition.
Rangers will be an unseeded club if they overcome Viktoria Plzen, and will take a spot in the league path draw.
In the Champions League play-off round, Rangers could face either the winners of the tie involving Benfica and Nice or the winners between Red Bull Salzburg and Club Brugge.
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Those matches take place on Wednesday, August 6 and Tuesday, August 12, meaning the possible opponents would only become certain at the same time as the tie between Rangers and Viktoria Plzen is settled.
However, in Monday's draw, Rangers fans will discover which tie to keep an eye on with the potential of facing the winners if they too advance.
After overcoming Panathinaikos, Russell Martin vowed [[Rangers]] would have a "right go" at the Champions League.
He said: "We've got through a really difficult tie over two legs with a win and we've qualified for the Europa League.
"And we can attack the Champions League now and have a right go.
"I'm incredibly proud of them, the team, the staff, the fans were amazing, so it's a big night for us."
Champions League play-off round league path
Seeded
Winner of Nice vs Benfica
Winner of Red Bull Salzburg vs Club Brugge
Unseeded
Winner of Rangers vs Viktoria Plzen
Winner of Feyenoord vs Fenerbahce
