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 Ka6 draw
3 Ka8 draw
4 Kb8 draw
5 Kd6 draw
6 Kd8 draw
7 Ke6 draw
8 Ke8 draw
9 Kf6 draw
10 Kf7 draw
11 Kf8 draw
12 Rb5 draw
13 Rb6 draw
14 Rc7 draw
15 Rd7 draw
16 Rb2 loss in 2 half-moves
17 Rb3 loss in 2 half-moves
18 Rb4 loss in 2 half-moves
19 Rb8 loss in 2 half-moves
20 Kb6 loss in 1 half-moves
21 Kd7 loss in 1 half-moves