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

EGTB: win in 4 half-moves

# move score
1 Kg7 win in 3 half-moves
2 Kg8 win in 5 half-moves
3 Kb5 draw
4 Kb6 draw
5 Kc6 draw
6 Kd4 draw
7 Kd5 draw
8 Kd6 draw
9 Kh7 draw
10 Rd5 draw
11 Re5 draw
12 Rf3 draw
13 Rf4 draw
14 Rf6 draw
15 Rf7 draw
16 Rf8 draw
17 Rg5 draw
18 Rh5 draw
19 Kb4 loss in 2 half-moves
20 Kc4 loss in 2 half-moves
21 Rf1 loss in 2 half-moves
22 Rf2 loss in 2 half-moves