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 K4b5 draw
3 K4c5 draw
4 K4d5 draw
5 K6b5 draw
6 K6c5 draw
7 K6d5 draw
8 Kb4 draw
9 Kb7 draw
10 Kc7 draw
11 Kd4 draw
12 Kd6 draw
13 Kd7 draw
14 Rf4 draw
15 Rg5 draw
16 Rg6 draw
17 Rg8 draw
18 Rh4 draw
19 Kb3 loss in 2 half-moves
20 Kb6 loss in 2 half-moves
21 Kc3 loss in 2 half-moves
22 Kd3 loss in 2 half-moves
23 Rd4 loss in 2 half-moves
24 Re4 loss in 2 half-moves
25 Rg1 loss in 2 half-moves
26 Rg2 loss in 2 half-moves
27 Rg3 loss in 2 half-moves