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

EGTB: win in 20 half-moves

# move score
1 Rb2 win in 19 half-moves
2 Rb5 draw
3 Kb7 loss in 2 half-moves
4 Kc7 loss in 2 half-moves
5 Kd6 loss in 2 half-moves
6 Kd7 loss in 2 half-moves
7 Ke1 loss in 2 half-moves
8 Ke2 loss in 2 half-moves
9 Ke3 loss in 2 half-moves
10 Kf1 loss in 2 half-moves
11 Kf3 loss in 2 half-moves
12 Kg1 loss in 2 half-moves
13 Kg2 loss in 2 half-moves
14 Kg3 loss in 2 half-moves
15 Ra6 loss in 2 half-moves
16 Rb1 loss in 2 half-moves
17 Rb3 loss in 2 half-moves
18 Rb4 loss in 2 half-moves
19 Rb7 loss in 2 half-moves
20 Rb8 loss in 2 half-moves
21 Kb5 loss in 1 half-moves
22 Kc5 loss in 1 half-moves
23 Kd5 loss in 1 half-moves