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

EGTB: win in 2 half-moves

# move score
1 Ra3 win in 1 half-moves
2 Kb6 loss in 28 half-moves
3 Ra6 loss in 24 half-moves
4 Kc4 loss in 10 half-moves
5 Kb4 loss in 8 half-moves
6 Kc6 loss in 8 half-moves
7 Ra8 loss in 8 half-moves
8 Ka6 loss in 6 half-moves
9 Kc5 loss in 6 half-moves
10 Ra5 loss in 6 half-moves
11 Rg7 loss in 6 half-moves
12 Ka4 loss in 4 half-moves
13 Ka5 loss in 4 half-moves
14 Rb7 loss in 4 half-moves
15 Rc7 loss in 4 half-moves
16 Ra1 loss in 2 half-moves
17 Ra2 loss in 2 half-moves
18 Ra4 loss in 2 half-moves
19 Rd7 loss in 2 half-moves
20 Re7 loss in 2 half-moves
21 Rf7 loss in 2 half-moves
22 Rh7 loss in 2 half-moves