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

EGTB: win in 4 half-moves

# move score
1 Rg4 win in 3 half-moves
2 Kc5 draw
3 Kc6 draw
4 Kc7 draw
5 Kd5 draw
6 Kd7 draw
7 Ke5 draw
8 Ke6 draw
9 Ke7 draw
10 Kg5 draw
11 Kg6 draw
12 Kh4 draw
13 Kh6 draw
14 Ra3 draw
15 Ra5 draw
16 Ra6 draw
17 Ra7 draw
18 Ra8 draw
19 Re4 draw
20 Rf4 draw
21 Rh4 draw
22 Kg4 loss in 2 half-moves
23 Ra1 loss in 2 half-moves
24 Ra2 loss in 2 half-moves
25 Rb4 loss in 2 half-moves
26 Rc4 loss in 2 half-moves
27 Rd4 loss in 2 half-moves