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 Rc3 win in 3 half-moves
3 Ra8 win in 5 half-moves
4 Rg3 win in 5 half-moves
5 Rh3 win in 5 half-moves
6 Kc8 draw
7 Kd7 draw
8 Ke7 draw
9 Ke8 draw
10 Kg7 draw
11 Kg8 draw
12 Kh7 draw
13 Ra4 draw
14 Ra5 draw
15 Ra6 draw
16 Rb3 draw
17 Kc7 loss in 2 half-moves
18 Ra1 loss in 2 half-moves
19 Ra2 loss in 2 half-moves
20 Rd3 loss in 2 half-moves
21 Re3 loss in 2 half-moves
22 Rf3 loss in 2 half-moves