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