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

EGTB: win in 4 half-moves

# move score
1 Rg1 win in 3 half-moves
2 Kb4 draw
3 Kb5 draw
4 Kb6 draw
5 Kc4 draw
6 Kd4 draw
7 Kd5 draw
8 Kg1 draw
9 Kg2 draw
10 Kh2 draw
11 Rg2 draw
12 Rg3 draw
13 Rg4 draw
14 Rg6 draw
15 Rh5 draw
16 Kc6 loss in 2 half-moves
17 Kd6 loss in 2 half-moves
18 Rd5 loss in 2 half-moves
19 Re5 loss in 2 half-moves
20 Rf5 loss in 2 half-moves
21 Rg7 loss in 2 half-moves
22 Rg8 loss in 2 half-moves