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

EGTB: win in 4 half-moves

# move score
1 Kb2 win in 3 half-moves
2 Kb3 win in 3 half-moves
3 Rb4 win in 3 half-moves
4 Kb5 win in 5 half-moves
5 Kc3 win in 5 half-moves
6 Kd2 win in 5 half-moves
7 Ra2 win in 5 half-moves
8 Ra3 win in 5 half-moves
9 Kb4 win in 9 half-moves
10 Kb1 draw
11 Kc2 draw
12 Kc5 draw
13 Kd1 draw
14 Kd3 draw
15 Kd4 draw
16 Kd5 draw
17 Ra1 draw
18 Ra8 draw
19 Ra5 loss in 2 half-moves
20 Ra6 loss in 2 half-moves
21 Ra7 loss in 2 half-moves