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

EGTB: win in 2 half-moves

# move score
1 Rb7 win in 1 half-moves
2 Kb3 win in 5 half-moves
3 Kb1 loss in 2 half-moves
4 Kc1 loss in 2 half-moves
5 Kc3 loss in 2 half-moves
6 Kcd1 loss in 2 half-moves
7 Kcd2 loss in 2 half-moves
8 Kd3 loss in 2 half-moves
9 Ke2 loss in 2 half-moves
10 Ked1 loss in 2 half-moves
11 Ked2 loss in 2 half-moves
12 Kf1 loss in 2 half-moves
13 Kf2 loss in 2 half-moves
14 Ra2 loss in 2 half-moves
15 Rb1 loss in 2 half-moves
16 Rb3 loss in 2 half-moves
17 Rb4 loss in 2 half-moves
18 Rb5 loss in 2 half-moves
19 Rb6 loss in 2 half-moves
20 Rb8 loss in 2 half-moves