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

EGTB: win in 4 half-moves

# move score
1 Rg7 win in 3 half-moves
2 Rh7 win in 3 half-moves
3 Rb1 draw
4 Rb5 draw
5 Rb6 draw
6 Rd7 draw
7 Re7 draw
8 Rf7 draw
9 Kg1 loss in 2 half-moves
10 Kg2 loss in 2 half-moves
11 Kh2 loss in 2 half-moves
12 Ra7 loss in 2 half-moves
13 Rb2 loss in 2 half-moves
14 Rb3 loss in 2 half-moves
15 Rb4 loss in 2 half-moves
16 Rb8 loss in 2 half-moves
17 Rc7 loss in 2 half-moves