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 Ra5 draw
3 Rb1 draw
4 Rb2 draw
5 K5b6 loss in 2 half-moves
6 K5c6 loss in 2 half-moves
7 K5d6 loss in 2 half-moves
8 K7b6 loss in 2 half-moves
9 K7c6 loss in 2 half-moves
10 K7d6 loss in 2 half-moves
11 Kb4 loss in 2 half-moves
12 Kb7 loss in 2 half-moves
13 Kb8 loss in 2 half-moves
14 Kc4 loss in 2 half-moves
15 Kc8 loss in 2 half-moves
16 Kd4 loss in 2 half-moves
17 Kd5 loss in 2 half-moves
18 Kd7 loss in 2 half-moves
19 Kd8 loss in 2 half-moves
20 Rb4 loss in 2 half-moves
21 Rb6 loss in 2 half-moves
22 Rb7 loss in 2 half-moves
23 Rb8 loss in 2 half-moves