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 Kd1 draw
3 Kd2 draw
4 Ke3 draw
5 Kee2 draw
6 Kef2 draw
7 Kf1 draw
8 Kf4 draw
9 Kfe2 draw
10 Kff2 draw
11 Kg2 draw
12 Kg3 draw
13 Kg4 draw
14 Ra1 draw
15 Ra2 draw
16 Ra3 draw
17 Ra8 draw
18 Re4 draw
19 Rf4 draw
20 Rh4 draw
21 Ke4 loss in 2 half-moves
22 Ra5 loss in 2 half-moves
23 Ra6 loss in 2 half-moves
24 Ra7 loss in 2 half-moves
25 Rb4 loss in 2 half-moves
26 Rc4 loss in 2 half-moves
27 Rd4 loss in 2 half-moves