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

EGTB: win in 4 half-moves

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