Portsmouth have now kept four straight clean sheets in the League One after their rock of a defence drew another line in the sand. The game between Doncaster and Portsmouth finished 0-0.
The result means the fourth game in a row without a win for Doncaster.
The last outing between the teams ended in a 2-1 home win for Doncaster in March 2021.
After this game in the League One, Doncaster will play Rotherham (away) on 2021-08-28, Cambridge United (home) on 2021-09-04 and Wigan (away) on 2021-09-11. Portsmouth play Wigan (away) on 2021-08-28, Plymouth (home) on 2021-09-06 and Milton Keynes (away) on 2021-09-11.