I can make a sequence of 11 passes. Start with two stones on your 6 point; one stone on the bar. Opponent has a blot on the 24, and two stones on 23. Now:
Roll 1-2. Play bar-24, 24-22. Opponent rolls 6-6 (pass)
Roll 1-2. Play 22-21, 21-19. Opponent rolls 6-6 (pass)
Roll 1-2. Play 19-18, 18-16. Opponent rolls 6-6 (pass)
Roll 1-2. Play 16-15, 15-13. Opponent rolls 6-6 (pass)
Roll 1-2. Play 13-12, 12-10. Opponent rolls 6-6 (pass)
Roll 1-2. Play 10-9, 9-7. Opponent rolls 6-6 (pass)
Roll 1-2. Play 7-5, 6-5. Opponent rolls 5-5 (pass)
Roll 1-2. Play 6-4, 5-4. Opponent rolls 4-4 (pass)
Roll 1-2. Play 5-3, 4-3. Opponent rolls 3-3 (pass)
Roll 1-2. Play 4-2, 3-2. Opponent rolls 2-2 (pass)
Roll 1-2. Play 3-1, 2-1. Opponent rolls 1-1 (pass)
Changes your roll 1-2 11 times in a row while your opponent rolls the appropriate double: 1 in 8459117637862050464804269719552. (If the entire populate of the world (6.75 billion people) rolls 22 times a second, it still will only happen about once every 40 trillion years - a time span about 3000 times the estimated age of the universe).