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

EGTB: win in 2 half-moves

# move score
1 Ra7 win in 1 half-moves
2 Rb5 win in 1 half-moves
3 Rb1 draw
4 Kb4 loss in 2 half-moves
5 Kb6 loss in 2 half-moves
6 Kb8 loss in 2 half-moves
7 Kc2 loss in 2 half-moves
8 Kc4 loss in 2 half-moves
9 Kc6 loss in 2 half-moves
10 Kc8 loss in 2 half-moves
11 Kd2 loss in 2 half-moves
12 Kd3 loss in 2 half-moves
13 Kd4 loss in 2 half-moves
14 Kd6 loss in 2 half-moves
15 Kd7 loss in 2 half-moves
16 Kd8 loss in 2 half-moves
17 Rb4 loss in 2 half-moves
18 Rb6 loss in 2 half-moves
19 Rb8 loss in 2 half-moves
20 Kb2 loss in 1 half-moves
21 Kb3 loss in 1 half-moves
22 Rb2 loss in 1 half-moves
23 Rb3 loss in 1 half-moves