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

EGTB: win in 4 half-moves

# move score
1 Rd7 win in 3 half-moves
2 Ka6 draw
3 Ka8 draw
4 Kb6 draw
5 Kb7 draw
6 Kb8 draw
7 Kd6 draw
8 Kd7 draw
9 Kd8 draw
10 Ke6 draw
11 Ke8 draw
12 Kf6 draw
13 Kf7 draw
14 Kf8 draw
15 Rc1 draw
16 Rc5 draw
17 Rc6 draw
18 Rc8 draw
19 Rb7 loss in 2 half-moves
20 Rc2 loss in 2 half-moves
21 Rc3 loss in 2 half-moves
22 Rc4 loss in 2 half-moves