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

EGTB: win in 4 half-moves

# move score
1 Kd6 win in 3 half-moves
2 Ka7 draw
3 Kb7 draw
4 Kc4 draw
5 Kc5 draw
6 Kc6 draw
7 Ke4 draw
8 Ke5 draw
9 Ke6 draw
10 Rf4 draw
11 Rf7 draw
12 Kb8 loss in 2 half-moves
13 Kd4 loss in 2 half-moves
14 Re5 loss in 2 half-moves
15 Rf1 loss in 2 half-moves
16 Rf2 loss in 2 half-moves
17 Rf3 loss in 2 half-moves
18 Rf6 loss in 2 half-moves
19 Rf8 loss in 2 half-moves
20 Rg5 loss in 2 half-moves
21 Rh5 loss in 2 half-moves