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

EGTB: win in 4 half-moves

# move score
1 Kg2 win in 3 half-moves
2 Kg3 win in 5 half-moves
3 Kg4 win in 5 half-moves
4 Kh2 win in 5 half-moves
5 Rg1 win in 5 half-moves
6 Ke1 win in 9 half-moves
7 Rh2 win in 9 half-moves
8 Kd1 win in 11 half-moves
9 Kc1 draw
10 Kc2 draw
11 Kc3 draw
12 Kd3 draw
13 Ke2 draw
14 Ke3 draw
15 Kh4 draw
16 Ra1 draw
17 Rb1 draw
18 Rd1 draw
19 Rf1 draw
20 Rc1 loss in 2 half-moves
21 Re1 loss in 2 half-moves