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

EGTB: win in 4 half-moves

# move score
1 Ra6 win in 3 half-moves
2 Kb7 win in 5 half-moves
3 Kd8 win in 5 half-moves
4 Ke8 win in 5 half-moves
5 Ra7 win in 5 half-moves
6 Ra8 win in 5 half-moves
7 Kdc7 win in 7 half-moves
8 Kdc8 win in 7 half-moves
9 Ra5 win in 7 half-moves
10 Kc6 win in 9 half-moves
11 Kd6 win in 9 half-moves
12 Ke6 win in 11 half-moves
13 Ka7 draw
14 Ka8 draw
15 Kbc7 draw
16 Kbc8 draw
17 Ke7 draw
18 Rb1 draw
19 Rh1 draw
20 Ra2 loss in 2 half-moves
21 Ra3 loss in 2 half-moves
22 Ra4 loss in 2 half-moves
23 Rc1 loss in 2 half-moves
24 Rd1 loss in 2 half-moves
25 Re1 loss in 2 half-moves
26 Rf1 loss in 2 half-moves
27 Rg1 loss in 2 half-moves