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

EGTB: win in 4 half-moves

# move score
1 Rf1 win in 3 half-moves
2 Ka2 draw
3 Kb1 draw
4 Kd3 draw
5 Kd5 draw
6 Ke3 draw
7 Ke5 draw
8 Kf3 draw
9 Rf2 draw
10 Rf3 draw
11 Rf5 draw
12 Kb2 loss in 2 half-moves
13 Kd4 loss in 2 half-moves
14 Kf5 loss in 2 half-moves
15 Rf6 loss in 2 half-moves
16 Rf7 loss in 2 half-moves
17 Rf8 loss in 2 half-moves
18 Rg4 loss in 2 half-moves
19 Rh4 loss in 2 half-moves