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

EGTB: win in 2 half-moves

# move score
1 Rb8 win in 1 half-moves
2 Kd5 win in 3 half-moves
3 Ra6 win in 3 half-moves
4 Kc5 win in 5 half-moves
5 Ra7 win in 5 half-moves
6 Rc8 win in 5 half-moves
7 Rd8 win in 5 half-moves
8 Kc3 win in 7 half-moves
9 Kb5 loss in 10 half-moves
10 Kb3 loss in 8 half-moves
11 Kb4 loss in 8 half-moves
12 Ra4 loss in 6 half-moves
13 Kd3 loss in 2 half-moves
14 Kd4 loss in 2 half-moves
15 Nb3 loss in 2 half-moves
16 Nc2 loss in 2 half-moves
17 Ra2 loss in 2 half-moves
18 Ra3 loss in 2 half-moves
19 Ra5 loss in 2 half-moves
20 Re8 loss in 2 half-moves
21 Rf8 loss in 2 half-moves
22 Rg8 loss in 2 half-moves
23 Rh8 loss in 2 half-moves