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 Kd8 draw
3 Kf8 draw
4 Kg5 draw
5 Kg6 draw
6 Kg7 draw
7 Kh5 draw
8 Kh7 draw
9 Ra4 draw
10 Rb4 draw
11 Rd4 draw
12 Re1 draw
13 Re2 draw
14 Re3 draw
15 Re5 draw
16 Re6 draw
17 Re7 draw
18 Rf4 draw
19 Rh4 draw
20 Kd7 loss in 2 half-moves
21 Ke7 loss in 2 half-moves
22 Kf7 loss in 2 half-moves
23 Rc4 loss in 1 half-moves