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

EGTB: win in 8 half-moves

# move score
1 Kb4 win in 7 half-moves
2 Kb5 draw
3 Kb6 draw
4 Kc4 draw
5 Kc6 draw
6 Ke1 draw
7 Ra1 draw
8 Rb1 draw
9 Kc2 loss in 2 half-moves
10 Kd2 loss in 2 half-moves
11 Kd4 loss in 2 half-moves
12 Kd5 loss in 2 half-moves
13 Kd6 loss in 2 half-moves
14 Ke2 loss in 2 half-moves
15 Rc2 loss in 2 half-moves
16 Rc3 loss in 2 half-moves
17 Rc4 loss in 2 half-moves