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

EGTB: win in 2 half-moves

# move score
1 Ra6 win in 1 half-moves
2 Rb1 win in 1 half-moves
3 Kb5 win in 7 half-moves
4 K6b7 loss in 2 half-moves
5 K6d6 loss in 2 half-moves
6 K6d7 loss in 2 half-moves
7 K7b7 loss in 2 half-moves
8 K7d6 loss in 2 half-moves
9 K7d7 loss in 2 half-moves
10 Kb8 loss in 2 half-moves
11 Kc5 loss in 2 half-moves
12 Kc8 loss in 2 half-moves
13 Kd5 loss in 2 half-moves
14 Kd8 loss in 2 half-moves
15 Rb2 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 Rb7 loss in 2 half-moves
20 Rb8 loss in 2 half-moves