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

EGTB: win in 18 half-moves

# move score
1 Kb4 win in 17 half-moves
2 Kb1 draw
3 Kb5 draw
4 Kb6 draw
5 Kc4 draw
6 Kd1 draw
7 Kd4 draw
8 Kd5 draw
9 Ra3 draw
10 Ra5 draw
11 Rb1 draw
12 Kb2 loss in 2 half-moves
13 Kc2 loss in 2 half-moves
14 Kc6 loss in 2 half-moves
15 Kd2 loss in 2 half-moves
16 Kd6 loss in 2 half-moves
17 Ra2 loss in 2 half-moves
18 Ra4 loss in 2 half-moves
19 Ra6 loss in 2 half-moves
20 Ra7 loss in 2 half-moves
21 Ra8 loss in 2 half-moves