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

EGTB: win in 4 half-moves

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