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

EGTB: win in 2 half-moves

# move score
1 Ra7 win in 1 half-moves
2 Kb3 draw
3 Kc3 draw
4 Ra4 draw
5 Rb8 loss in 18 half-moves
6 Ra2 loss in 16 half-moves
7 Ka2 loss in 14 half-moves
8 Ka3 loss in 14 half-moves
9 Kb1 loss in 12 half-moves
10 Ka1 loss in 6 half-moves
11 Kc1 loss in 4 half-moves
12 Kc2 loss in 4 half-moves
13 Ra1 loss in 2 half-moves
14 Ra3 loss in 2 half-moves
15 Ra5 loss in 2 half-moves
16 Ra6 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 Rf8 loss in 2 half-moves
21 Rg8 loss in 2 half-moves
22 Rh8 loss in 1 half-moves