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 Ka1 draw
3 Kb1 draw
4 Rf1 draw
5 Ka3 loss in 2 half-moves
6 Kb2 loss in 2 half-moves
7 Kb3 loss in 2 half-moves
8 Kc3 loss in 2 half-moves
9 Kc4 loss in 2 half-moves
10 Kc5 loss in 2 half-moves
11 Kd3 loss in 2 half-moves
12 Kd5 loss in 2 half-moves
13 Ke3 loss in 2 half-moves
14 Ke4 loss in 2 half-moves
15 Ke5 loss in 2 half-moves
16 Re4 loss in 2 half-moves
17 Rf2 loss in 2 half-moves
18 Rf3 loss in 2 half-moves
19 Rf5 loss in 2 half-moves
20 Rf6 loss in 2 half-moves
21 Rf7 loss in 2 half-moves
22 Rf8 loss in 2 half-moves
23 Rh4 loss in 2 half-moves