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

EGTB: win in 4 half-moves

# move score
1 Ra4 win in 3 half-moves
2 Ra6 win in 3 half-moves
3 Kb5 win in 7 half-moves
4 Kb6 win in 7 half-moves
5 Kcb4 win in 7 half-moves
6 Kcc4 win in 7 half-moves
7 Kd4 win in 7 half-moves
8 Kd5 win in 7 half-moves
9 Ra5 win in 7 half-moves
10 Ra7 win in 7 half-moves
11 Ra8 win in 7 half-moves
12 Ka2 draw
13 Ka4 draw
14 Kb2 draw
15 Kbb4 draw
16 Kbc4 draw
17 Kc2 draw
18 Kc3 draw
19 Kc6 draw
20 Kd6 draw
21 Ra1 loss in 2 half-moves
22 Ra2 loss in 2 half-moves