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

EGTB: win in 20 half-moves

# move score
1 Kb4 win in 19 half-moves
2 Kb5 draw
3 Kc5 draw
4 Kd4 draw
5 Kd5 draw
6 Ke7 draw
7 Ke8 draw
8 Kf7 draw
9 Kg7 draw
10 Kg8 draw
11 Ra5 draw
12 Ra7 draw
13 Ra8 draw
14 Rb4 draw
15 Kb3 loss in 2 half-moves
16 Kc3 loss in 2 half-moves
17 Kd3 loss in 2 half-moves
18 Ra1 loss in 2 half-moves
19 Ra2 loss in 2 half-moves
20 Ra3 loss in 2 half-moves
21 Ra6 loss in 2 half-moves