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

EGTB: win in 2 half-moves

# move score
1 Rg4 win in 1 half-moves
2 Kf6 draw
3 Kf7 draw
4 Kf8 draw
5 Kg6 draw
6 Kg8 draw
7 Kh6 draw
8 Kh7 draw
9 Kh8 draw
10 Rb1 draw
11 Rb2 draw
12 Rb5 draw
13 Rb6 draw
14 Rb7 draw
15 Rb8 draw
16 Rc4 draw
17 Rd4 draw
18 Re4 draw
19 Rf4 draw
20 Rh4 draw
21 Ra4 loss in 2 half-moves
22 Rb3 loss in 2 half-moves