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

EGTB: win in 4 half-moves

# move score
1 Ra7 win in 3 half-moves
2 Re4 win in 3 half-moves
3 Kb7 win in 5 half-moves
4 Kb8 win in 5 half-moves
5 Kcc7 draw
6 Kcd7 draw
7 Kdc7 draw
8 Kdd7 draw
9 Ke8 draw
10 Ra5 draw
11 Ra6 draw
12 Ra8 draw
13 Rf4 draw
14 Rg4 draw
15 Rh4 draw
16 Ke7 loss in 2 half-moves
17 Ra1 loss in 2 half-moves
18 Ra2 loss in 2 half-moves
19 Ra3 loss in 2 half-moves
20 Rb4 loss in 2 half-moves
21 Rc4 loss in 2 half-moves
22 Rd4 loss in 2 half-moves