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

EGTB: win in 4 half-moves

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