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 Ka2 draw
3 Ka3 draw
4 Kb2 draw
5 Kc2 draw
6 Kc3 draw
7 Ra1 draw
8 Ra2 draw
9 Ra3 draw
10 Ra8 draw
11 Rb4 draw
12 Rc4 draw
13 Kb4 loss in 4 half-moves
14 Kc4 loss in 2 half-moves
15 Ra5 loss in 2 half-moves
16 Ra6 loss in 2 half-moves
17 Ra7 loss in 2 half-moves
18 Rd4 loss in 2 half-moves
19 Re4 loss in 2 half-moves
20 Rf4 loss in 2 half-moves
21 Rh4 loss in 2 half-moves