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 Rg2 win in 3 half-moves
3 Ra1 draw
4 Rb1 draw
5 Rh1 draw
6 Kf2 loss in 2 half-moves
7 Kf3 loss in 2 half-moves
8 Kf4 loss in 2 half-moves
9 Kg4 loss in 2 half-moves
10 Kh2 loss in 2 half-moves
11 Kh3 loss in 2 half-moves
12 Kh4 loss in 2 half-moves
13 Rc1 loss in 2 half-moves
14 Rd1 loss in 2 half-moves
15 Re1 loss in 2 half-moves
16 Rf1 loss in 2 half-moves