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 Ka1 loss in 2 half-moves
3 Ka2 loss in 2 half-moves
4 Ka3 loss in 2 half-moves
5 Kb1 loss in 2 half-moves
6 Kb3 loss in 2 half-moves
7 Kc1 loss in 2 half-moves
8 Kc2 loss in 2 half-moves
9 Kc3 loss in 2 half-moves
10 Ra6 loss in 2 half-moves
11 Rb3 loss in 2 half-moves
12 Rb4 loss in 2 half-moves
13 Rb5 loss in 2 half-moves
14 Rb7 loss in 2 half-moves
15 Rc6 loss in 2 half-moves
16 Rd6 loss in 2 half-moves
17 Rh6 loss in 2 half-moves
18 Re6 loss in 1 half-moves
19 Rf6 loss in 1 half-moves
20 Rg6 loss in 1 half-moves