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

EGTB: win in 2 half-moves

# move score
1 Rb3 win in 1 half-moves
2 Rb4 win in 1 half-moves
3 Rb6 win in 1 half-moves
4 Rb7 win in 1 half-moves
5 Rb8 win in 1 half-moves
6 Kc4 loss in 2 half-moves
7 Kc5 loss in 2 half-moves
8 Kc6 loss in 2 half-moves
9 Ke4 loss in 2 half-moves
10 Ke5 loss in 2 half-moves
11 Ke6 loss in 2 half-moves
12 Ka1 loss in 1 half-moves
13 Ka2 loss in 1 half-moves
14 Ka3 loss in 1 half-moves
15 Kb1 loss in 1 half-moves
16 Kb3 loss in 1 half-moves
17 Kc1 loss in 1 half-moves
18 Kc2 loss in 1 half-moves
19 Kc3 loss in 1 half-moves
20 Kd4 loss in 1 half-moves
21 Kd6 loss in 1 half-moves
22 Ra5 loss in 1 half-moves
23 Rc5 loss in 1 half-moves