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

EGTB: win in 4 half-moves

# move score
1 Kg2 win in 3 half-moves
2 Kb3 draw
3 Kb5 draw
4 Kc3 draw
5 Kc5 draw
6 Kd3 draw
7 Kd4 draw
8 Kd5 draw
9 Kg1 draw
10 Kh2 draw
11 Rd4 draw
12 Re4 draw
13 Rf1 draw
14 Rf2 draw
15 Rf3 draw
16 Rf5 draw
17 Rf6 draw
18 Kb4 loss in 2 half-moves
19 Rf7 loss in 2 half-moves
20 Rf8 loss in 2 half-moves
21 Rg4 loss in 2 half-moves
22 Rh4 loss in 2 half-moves