Click on the third or sixth rank to set the en passant target square.

EGTB: win in 4 half-moves

# move score
1 Rg3 win in 3 half-moves
2 Rg5 win in 3 half-moves
3 Kc4 win in 5 half-moves
4 Kf3 win in 5 half-moves
5 Kf4 win in 5 half-moves
6 Kf5 win in 5 half-moves
7 Rf4 win in 5 half-moves
8 Kc3 draw
9 Kdd3 draw
10 Kdd5 draw
11 Kde3 draw
12 Kde5 draw
13 Ked3 draw
14 Ked5 draw
15 Kee3 draw
16 Kee5 draw
17 Rg1 draw
18 Rg2 draw
19 Rg6 draw
20 Rh4 draw
21 Kc5 loss in 2 half-moves
22 Rg7 loss in 2 half-moves
23 Rg8 loss in 2 half-moves