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 Ka3 draw
3 Ka4 draw
4 Kb3 draw
5 Kc3 draw
6 Kc4 draw
7 Rd2 draw
8 Rd3 draw
9 Rd5 draw
10 Rd1 loss in 6 half-moves
11 Ka5 loss in 2 half-moves
12 Kb5 loss in 2 half-moves
13 Kc5 loss in 2 half-moves
14 Rc4 loss in 2 half-moves
15 Re4 loss in 2 half-moves
16 Rf4 loss in 2 half-moves
17 Rh4 loss in 2 half-moves
18 Rd6 loss in 1 half-moves
19 Rd7 loss in 1 half-moves
20 Rd8 loss in 1 half-moves