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 Rh1 win in 3 half-moves
3 Rg1 loss in 6 half-moves
4 Kf4 loss in 2 half-moves
5 Kf5 loss in 2 half-moves
6 Kf6 loss in 2 half-moves
7 Kg4 loss in 2 half-moves
8 Kg6 loss in 2 half-moves
9 Kh4 loss in 2 half-moves
10 Kh5 loss in 2 half-moves
11 Kh6 loss in 2 half-moves
12 Ra1 loss in 2 half-moves
13 Rb5 loss in 2 half-moves
14 Rb7 loss in 2 half-moves
15 Rc1 loss in 2 half-moves
16 Re1 loss in 2 half-moves
17 Rb2 loss in 1 half-moves
18 Rb3 loss in 1 half-moves
19 Rb4 loss in 1 half-moves
20 Rb6 loss in 1 half-moves
21 Rb8 loss in 1 half-moves
22 Rd1 loss in 1 half-moves