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 Rb1 win in 3 half-moves
4 Kc2 win in 5 half-moves
5 Kd2 win in 5 half-moves
6 Ra2 win in 5 half-moves
7 Kb4 win in 9 half-moves
8 Kc3 win in 9 half-moves
9 Kd1 win in 9 half-moves
10 Kb1 win in 11 half-moves
11 Kb5 win in 11 half-moves
12 Kc5 win in 23 half-moves
13 Kd3 draw
14 Kd4 draw
15 Kd5 draw
16 Ra4 draw
17 Ra7 draw
18 Ra3 loss in 2 half-moves
19 Ra5 loss in 2 half-moves
20 Ra6 loss in 2 half-moves
21 Ra8 loss in 2 half-moves