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 Ra4 draw
12 Rc4 draw
13 Rg2 draw
14 Rg3 draw
15 Rg5 draw
16 Rg6 draw
17 Rh4 draw
18 Kc6 loss in 2 half-moves
19 Kd6 loss in 2 half-moves
20 Rb4 loss in 2 half-moves
21 Rd4 loss in 2 half-moves
22 Re4 loss in 2 half-moves
23 Rf4 loss in 2 half-moves
24 Rg7 loss in 2 half-moves
25 Rg8 loss in 2 half-moves