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 Kg1 draw
3 Kg2 draw
4 Kg5 draw
5 Kg6 draw
6 Kg7 draw
7 Kh2 draw
8 Kh5 draw
9 Kh7 draw
10 Rc4 draw
11 Rd1 draw
12 Rd2 draw
13 Rd3 draw
14 Rd8 draw
15 Re4 draw
16 Rf4 draw
17 Rh4 draw
18 Ra4 loss in 2 half-moves
19 Rb4 loss in 2 half-moves
20 Rd5 loss in 2 half-moves
21 Rd6 loss in 2 half-moves
22 Rd7 loss in 2 half-moves