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

EGTB: win in 4 half-moves

# move score
1 Rg7 win in 3 half-moves
2 K4c5 draw
3 K4d5 draw
4 K4e5 draw
5 K6c5 draw
6 K6d5 draw
7 K6e5 draw
8 Kc7 draw
9 Kd7 draw
10 Ke4 draw
11 Ke6 draw
12 Ke7 draw
13 Rf4 draw
14 Rg5 draw
15 Rg6 draw
16 Rg8 draw
17 Rh4 draw
18 Kc3 loss in 2 half-moves
19 Kc4 loss in 2 half-moves
20 Kc6 loss in 2 half-moves
21 Kd3 loss in 2 half-moves
22 Ke3 loss in 2 half-moves
23 Re4 loss in 2 half-moves
24 Rg1 loss in 2 half-moves
25 Rg2 loss in 2 half-moves
26 Rg3 loss in 2 half-moves