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

EGTB: win in 4 half-moves

# move score
1 Ra1 win in 3 half-moves
2 Rb1 win in 3 half-moves
3 Re4 win in 3 half-moves
4 Ra3 win in 5 half-moves
5 Rf4 win in 5 half-moves
6 Kb7 draw
7 Kb8 draw
8 Kc7 draw
9 Kd7 draw
10 Kd8 draw
11 Ra5 draw
12 Ra8 draw
13 Rb3 draw
14 Rb5 draw
15 Rb8 draw
16 Rc4 draw
17 Rd4 draw
18 Ra2 loss in 2 half-moves
19 Ra6 loss in 2 half-moves
20 Ra7 loss in 2 half-moves
21 Rb2 loss in 2 half-moves
22 Rb6 loss in 2 half-moves
23 Rb7 loss in 2 half-moves
24 Rg4 loss in 2 half-moves
25 Rh4 loss in 2 half-moves