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 K4g5 draw
3 K4h5 draw
4 K6g5 draw
5 K6h5 draw
6 Kg3 draw
7 Kg4 draw
8 Kg6 draw
9 Kg7 draw
10 Kh3 draw
11 Kh7 draw
12 Rd1 draw
13 Rd2 draw
14 Rd3 draw
15 Rd8 draw
16 Re4 draw
17 Rf4 draw
18 Ra4 loss in 2 half-moves
19 Rb4 loss in 2 half-moves
20 Rc4 loss in 2 half-moves
21 Rd5 loss in 2 half-moves
22 Rd6 loss in 2 half-moves
23 Rd7 loss in 2 half-moves