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

EGTB: win in 2 half-moves

# move score
1 Ra4 win in 1 half-moves
2 Ra5 win in 3 half-moves
3 K8a7 win in 5 half-moves
4 Ka5 win in 5 half-moves
5 Kb5 win in 5 half-moves
6 Ra2 draw
7 Ra3 draw
8 Rf1 draw
9 Rg1 draw
10 Rh1 draw
11 K6a7 loss in 2 half-moves
12 K6b7 loss in 2 half-moves
13 K8b7 loss in 2 half-moves
14 Kb6 loss in 2 half-moves
15 Kb8 loss in 2 half-moves
16 Rb1 loss in 2 half-moves
17 Rc1 loss in 2 half-moves
18 Rd1 loss in 2 half-moves
19 Re1 loss in 2 half-moves