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

EGTB: win in 4 half-moves

# move score
1 Rf1 win in 3 half-moves
2 Kf1 draw
3 Kg3 draw
4 Kgg1 draw
5 Kgh2 draw
6 Kh3 draw
7 Khg1 draw
8 Khh2 draw
9 Ra1 draw
10 Rb2 draw
11 Rb6 draw
12 Rg1 draw
13 Kf2 loss in 2 half-moves
14 Kf3 loss in 2 half-moves
15 Rb3 loss in 2 half-moves
16 Rb4 loss in 2 half-moves
17 Rb5 loss in 2 half-moves
18 Rb7 loss in 2 half-moves
19 Rb8 loss in 2 half-moves
20 Rc1 loss in 2 half-moves
21 Rd1 loss in 2 half-moves
22 Re1 loss in 2 half-moves