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 Rb4 draw
3 Rb5 draw
4 Rb6 draw
5 Rb7 draw
6 Rc1 draw
7 Rd1 draw
8 Re1 draw
9 Kf1 loss in 2 half-moves
10 Kf2 loss in 2 half-moves
11 Kg3 loss in 2 half-moves
12 Kg4 loss in 2 half-moves
13 Kgg2 loss in 2 half-moves
14 Kgh2 loss in 2 half-moves
15 Kh1 loss in 2 half-moves
16 Kh4 loss in 2 half-moves
17 Khg2 loss in 2 half-moves
18 Khh2 loss in 2 half-moves
19 Ra1 loss in 2 half-moves
20 Rb2 loss in 2 half-moves
21 Rb3 loss in 2 half-moves
22 Rb8 loss in 2 half-moves