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

EGTB: win in 2 half-moves

# move score
1 Ra6 win in 1 half-moves
2 Rf8 draw
3 Kaa3 loss in 2 half-moves
4 Kaa5 loss in 2 half-moves
5 Kab3 loss in 2 half-moves
6 Kab5 loss in 2 half-moves
7 Kba3 loss in 2 half-moves
8 Kba5 loss in 2 half-moves
9 Kbb3 loss in 2 half-moves
10 Kbb5 loss in 2 half-moves
11 Kc3 loss in 2 half-moves
12 Kc4 loss in 2 half-moves
13 Kc5 loss in 2 half-moves
14 Ra5 loss in 2 half-moves
15 Ra7 loss in 2 half-moves
16 Rb8 loss in 2 half-moves
17 Rc8 loss in 2 half-moves
18 Rd8 loss in 2 half-moves
19 Re8 loss in 2 half-moves
20 Rg8 loss in 2 half-moves
21 Rh8 loss in 2 half-moves