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

EGTB: win in 4 half-moves

# move score
1 Rb1 win in 3 half-moves
2 Kb2 win in 5 half-moves
3 Kc2 win in 5 half-moves
4 Kd2 win in 7 half-moves
5 Ra2 win in 7 half-moves
6 Kd1 win in 17 half-moves
7 Kb5 win in 23 half-moves
8 Kb6 win in 25 half-moves
9 Kb1 draw
10 Kb7 draw
11 Kc5 draw
12 Kc7 draw
13 Kd5 draw
14 Kd6 draw
15 Kd7 draw
16 Ra3 draw
17 Ra4 draw
18 Ra6 draw
19 Ra8 draw
20 Ra5 loss in 2 half-moves
21 Ra7 loss in 2 half-moves