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

EGTB: win in 4 half-moves

# move score
1 Kb1 win in 3 half-moves
2 Kb2 win in 3 half-moves
3 Kb3 win in 3 half-moves
4 Rb2 win in 3 half-moves
5 Kc1 win in 7 half-moves
6 Kcd3 win in 7 half-moves
7 Kd1 win in 7 half-moves
8 Ra1 win in 7 half-moves
9 Kc3 win in 11 half-moves
10 Kcd2 draw
11 Kd4 draw
12 Ke2 draw
13 Ked2 draw
14 Ked3 draw
15 Kf2 draw
16 Kf3 draw
17 Ra3 draw
18 Ra4 draw
19 Ra8 draw
20 Ke4 loss in 2 half-moves
21 Kf4 loss in 2 half-moves
22 Ra5 loss in 2 half-moves
23 Ra6 loss in 2 half-moves
24 Ra7 loss in 2 half-moves