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

EGTB: win in 4 half-moves

# move score
1 Rh7 win in 3 half-moves
2 Rb1 draw
3 Rb5 draw
4 Kg1 loss in 2 half-moves
5 Kg2 loss in 2 half-moves
6 Kg3 loss in 2 half-moves
7 Kh1 loss in 2 half-moves
8 Kh3 loss in 2 half-moves
9 Ra7 loss in 2 half-moves
10 Rb2 loss in 2 half-moves
11 Rb3 loss in 2 half-moves
12 Rb4 loss in 2 half-moves
13 Rb6 loss in 2 half-moves
14 Rc7 loss in 2 half-moves
15 Rd7 loss in 2 half-moves
16 Re7 loss in 2 half-moves
17 Rg7 loss in 2 half-moves
18 Rb8 loss in 1 half-moves
19 Rf7 loss in 1 half-moves