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 Kb6 win in 5 half-moves
3 Kb8 win in 5 half-moves
4 K6a7 draw
5 K6b7 draw
6 K8a7 draw
7 K8b7 draw
8 Ka5 draw
9 Kb5 draw
10 Ra3 draw
11 Re4 draw
12 Rf4 draw
13 Rg4 draw
14 Rh4 draw
15 Ra1 loss in 2 half-moves
16 Ra2 loss in 2 half-moves
17 Rb4 loss in 2 half-moves
18 Rc4 loss in 2 half-moves
19 Rd4 loss in 2 half-moves