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 Ka4 draw
3 Kb4 draw
4 Kc2 draw
5 Kc3 draw
6 Kc4 draw
7 Ra4 draw
8 Rb4 draw
9 Rc4 draw
10 Rd5 draw
11 Ka2 loss in 4 half-moves
12 Ka3 loss in 4 half-moves
13 Kb2 loss in 4 half-moves
14 Rd6 loss in 4 half-moves
15 Rd7 loss in 4 half-moves
16 Rd8 loss in 4 half-moves
17 Rd1 loss in 2 half-moves
18 Rd2 loss in 2 half-moves
19 Rd3 loss in 2 half-moves
20 Re4 loss in 2 half-moves
21 Rf4 loss in 2 half-moves
22 Rh4 loss in 2 half-moves