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 Rb3 win in 3 half-moves
4 Ra2 win in 7 half-moves
5 Kc4 win in 9 half-moves
6 Kd4 win in 9 half-moves
7 Kb4 draw
8 Kc2 draw
9 Kcd2 draw
10 Kd1 draw
11 Kd3 draw
12 Ke2 draw
13 Ked2 draw
14 Kf1 draw
15 Kf2 draw
16 Ra1 draw
17 Ra8 draw
18 Ra4 loss in 2 half-moves
19 Ra5 loss in 2 half-moves
20 Ra6 loss in 2 half-moves
21 Ra7 loss in 2 half-moves