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 Rb6 win in 1 half-moves
3 Rc7 win in 1 half-moves
4 Rb5 draw
5 Ra7 loss in 2 half-moves
6 Rb2 loss in 2 half-moves
7 Rb3 loss in 2 half-moves
8 Rb4 loss in 2 half-moves
9 Rb8 loss in 2 half-moves
10 Ka7 loss in 1 half-moves
11 Kb8 loss in 1 half-moves
12 Kd6 loss in 1 half-moves
13 Kd7 loss in 1 half-moves
14 Kd8 loss in 1 half-moves
15 Ke6 loss in 1 half-moves
16 Ke8 loss in 1 half-moves
17 Kf6 loss in 1 half-moves
18 Kf7 loss in 1 half-moves
19 Kf8 loss in 1 half-moves
20 Rd7 loss in 1 half-moves