Click on the third or sixth rank to set the en passant target square.

EGTB: win in 4 half-moves

# move score
1 Ra2 win in 3 half-moves
2 Rb2 win in 3 half-moves
3 Rc2 draw
4 Rd2 draw
5 Re2 draw
6 Rf2 draw
7 Rg1 draw
8 Rg3 draw
9 Rg4 draw
10 Rg5 draw
11 K7b7 loss in 2 half-moves
12 K7b8 loss in 2 half-moves
13 K8b7 loss in 2 half-moves
14 K8b8 loss in 2 half-moves
15 Ka6 loss in 2 half-moves
16 Kb6 loss in 2 half-moves
17 Rg6 loss in 2 half-moves
18 Rg7 loss in 2 half-moves
19 Rg8 loss in 2 half-moves
20 Rh2 loss in 2 half-moves