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

EGTB: win in 2 half-moves

# move score
1 Ka5 win in 1 half-moves
2 Ra2 win in 1 half-moves
3 K6b6 draw
4 K6b7 draw
5 K7b7 draw
6 Kb5 draw
7 Ra5 draw
8 Rc4 draw
9 Re4 draw
10 Rf4 draw
11 Rg4 draw
12 Rh4 draw
13 K7b6 loss in 2 half-moves
14 Ka8 loss in 2 half-moves
15 Kb8 loss in 2 half-moves
16 Ra1 loss in 1 half-moves
17 Ra3 loss in 1 half-moves
18 Rb4 loss in 1 half-moves
19 Rd4 loss in 1 half-moves