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

EGTB: win in 2 half-moves

# move score
1 Rb2 win in 1 half-moves
2 Rb5 win in 1 half-moves
3 Rb4 draw
4 Rb6 draw
5 Kb8 loss in 2 half-moves
6 Kcc6 loss in 2 half-moves
7 Kcc8 loss in 2 half-moves
8 Kcd6 loss in 2 half-moves
9 Kcd8 loss in 2 half-moves
10 Kdc6 loss in 2 half-moves
11 Kdc8 loss in 2 half-moves
12 Kdd6 loss in 2 half-moves
13 Kdd8 loss in 2 half-moves
14 Ke6 loss in 2 half-moves
15 Ke7 loss in 2 half-moves
16 Ke8 loss in 2 half-moves
17 Ra7 loss in 2 half-moves
18 Rb1 loss in 2 half-moves
19 Rb3 loss in 2 half-moves
20 Rb8 loss in 2 half-moves
21 Kb6 loss in 1 half-moves