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 Kb1 draw
3 Kg6 draw
4 Kg7 draw
5 Kg8 draw
6 Kh6 draw
7 Kh8 draw
8 Ra2 draw
9 Ra3 draw
10 Ra5 draw
11 Ra6 draw
12 Ra7 draw
13 Ra8 draw
14 Rb4 draw
15 Rc4 draw
16 Rd4 draw
17 Re4 draw
18 Rf4 draw
19 Ka2 loss in 2 half-moves
20 Kb2 loss in 2 half-moves
21 Rh4 loss in 1 half-moves