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

EGTB: win in 4 half-moves

# move score
1 Ra4 win in 3 half-moves
2 Ra6 win in 3 half-moves
3 Rc8 win in 5 half-moves
4 Ra5 win in 7 half-moves
5 Ra7 win in 7 half-moves
6 Kc5 win in 11 half-moves
7 Ka1 draw
8 Ka3 draw
9 Ka4 draw
10 Ka5 draw
11 Ka6 draw
12 Kb6 draw
13 Kc6 draw
14 Rb8 draw
15 Re8 draw
16 Rg8 draw
17 Kb1 loss in 2 half-moves
18 Kb2 loss in 2 half-moves
19 Kb3 loss in 2 half-moves
20 Kb4 loss in 2 half-moves
21 Kc4 loss in 2 half-moves
22 Ra3 loss in 2 half-moves
23 Rd8 loss in 2 half-moves
24 Rf8 loss in 2 half-moves
25 Rh8 loss in 2 half-moves