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 Kb5 draw
3 Kb6 draw
4 Kb7 draw
5 Kc5 draw
6 Kc7 draw
7 Kd5 draw
8 Kd6 draw
9 Kd7 draw
10 Kg5 draw
11 Kg6 draw
12 Kg7 draw
13 Kh5 draw
14 Kh7 draw
15 Ra4 draw
16 Re3 draw
17 Re5 draw
18 Re6 draw
19 Re7 draw
20 Re8 draw
21 Rf4 draw
22 Rh4 draw
23 Rb4 loss in 2 half-moves
24 Rc4 loss in 2 half-moves
25 Rd4 loss in 2 half-moves
26 Re1 loss in 2 half-moves
27 Re2 loss in 2 half-moves