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

EGTB: win in 4 half-moves

# move score
1 Rc8 win in 3 half-moves
2 Rd8 win in 3 half-moves
3 Re8 win in 3 half-moves
4 Rf8 win in 3 half-moves
5 Ra1 win in 5 half-moves
6 Ra2 win in 5 half-moves
7 Kc1 draw
8 Kc2 draw
9 Kc3 draw
10 Kdd1 draw
11 Kdd3 draw
12 Kde1 draw
13 Kde3 draw
14 Ked1 draw
15 Ked3 draw
16 Kee1 draw
17 Kee3 draw
18 Kf1 draw
19 Ra6 draw
20 Ra7 draw
21 Rb8 draw
22 Kf2 loss in 2 half-moves
23 Kf3 loss in 2 half-moves
24 Ra3 loss in 2 half-moves
25 Ra4 loss in 2 half-moves
26 Ra5 loss in 2 half-moves
27 Rg8 loss in 2 half-moves
28 Rh8 loss in 2 half-moves