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