On StubHub, sellers can list tickets in any combination they wish. If they choose to sell the tickets in multiples of 2 or 4, you can't buy 1 or 3 of the tickets.
Finding a specific number of tickets on a desktop
2. Choose the ticket quantity you want
Finding a specific number of tickets on the StubHub app
1. On an event page, tap Filters
2. Under Number of tickets choose the ticket quantity you want
3. Tap Apply