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

EGTB: win in 4 half-moves

# move score
1 Ke1 win in 3 half-moves
2 Rg1 win in 3 half-moves
3 Ke2 win in 7 half-moves
4 Kg1 win in 7 half-moves
5 Kh2 win in 7 half-moves
6 Rh2 win in 7 half-moves
7 Kc1 draw
8 Kc2 draw
9 Kd1 draw
10 Kd3 draw
11 Ke3 draw
12 Rf2 draw
13 Rg3 draw
14 Rg4 draw
15 Rg8 draw
16 Kc3 loss in 2 half-moves
17 Re2 loss in 2 half-moves
18 Rg5 loss in 2 half-moves
19 Rg6 loss in 2 half-moves
20 Rg7 loss in 2 half-moves