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

EGTB: win in 4 half-moves

# move score
1 Kb5 win in 3 half-moves
2 Kb6 win in 3 half-moves
3 Kd7 win in 3 half-moves
4 Ke7 win in 3 half-moves
5 Rf6 win in 3 half-moves
6 Rf7 win in 3 half-moves
7 Kc6 win in 5 half-moves
8 Kd6 win in 7 half-moves
9 Kc4 draw
10 Kd4 draw
11 Kd5 draw
12 Kd8 draw
13 Kf7 draw
14 Rf3 draw
15 Rf4 draw
16 Rf5 draw
17 Rg8 draw
18 Rh8 draw
19 Kb4 loss in 2 half-moves
20 Rf1 loss in 2 half-moves
21 Rf2 loss in 2 half-moves