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

EGTB: win in 10 half-moves

# move score
1 Ra5 win in 9 half-moves
2 Ra4 draw
3 Ra6 draw
4 Rh8 draw
5 Ka2 loss in 2 half-moves
6 Ka5 loss in 2 half-moves
7 Ka6 loss in 2 half-moves
8 Kaa4 loss in 2 half-moves
9 Kab4 loss in 2 half-moves
10 Kb2 loss in 2 half-moves
11 Kb3 loss in 2 half-moves
12 Kb6 loss in 2 half-moves
13 Kba4 loss in 2 half-moves
14 Kbb4 loss in 2 half-moves
15 Kc4 loss in 2 half-moves
16 Kc5 loss in 2 half-moves
17 Kc6 loss in 2 half-moves
18 Ra7 loss in 2 half-moves
19 Rb8 loss in 2 half-moves
20 Rc8 loss in 2 half-moves
21 Rd8 loss in 2 half-moves
22 Re8 loss in 2 half-moves
23 Rf8 loss in 2 half-moves
24 Rg8 loss in 2 half-moves