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

EGTB: win in 4 half-moves

# move score
1 Kb7 win in 3 half-moves
2 Ka7 draw
3 Kb8 draw
4 Kc2 draw
5 Kd2 draw
6 Kd4 draw
7 Rd4 draw
8 Rd5 draw
9 Rd7 draw
10 Rd8 draw
11 Rf6 draw
12 Kc3 loss in 2 half-moves
13 Kc4 loss in 2 half-moves
14 Ke2 loss in 2 half-moves
15 Ke3 loss in 2 half-moves
16 Ke4 loss in 2 half-moves
17 Ra6 loss in 2 half-moves
18 Rb6 loss in 2 half-moves
19 Rc6 loss in 2 half-moves
20 Re6 loss in 2 half-moves
21 Rg6 loss in 2 half-moves
22 Rh6 loss in 2 half-moves