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

EGTB: win in 2 half-moves

# move score
1 Rb1 win in 1 half-moves
2 Rb4 win in 1 half-moves
3 Rb2 draw
4 Rb3 draw
5 Kb5 loss in 2 half-moves
6 Kb7 loss in 2 half-moves
7 Kc5 loss in 2 half-moves
8 Kc8 loss in 2 half-moves
9 Kcc7 loss in 2 half-moves
10 Kcd6 loss in 2 half-moves
11 Kd5 loss in 2 half-moves
12 Kd8 loss in 2 half-moves
13 Kdc7 loss in 2 half-moves
14 Kdd6 loss in 2 half-moves
15 Ke6 loss in 2 half-moves
16 Ke7 loss in 2 half-moves
17 Ke8 loss in 2 half-moves
18 Ra6 loss in 2 half-moves
19 Rb5 loss in 2 half-moves
20 Rb7 loss in 2 half-moves
21 Rb8 loss in 2 half-moves