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 Ra7 draw
3 Rb1 draw
4 Rb2 draw
5 Rb6 draw
6 Rb8 draw
7 Rc7 draw
8 Rd7 draw
9 Re7 draw
10 Rb3 loss in 2 half-moves
11 Rb4 loss in 2 half-moves
12 Rb5 loss in 2 half-moves
13 Rf7 loss in 2 half-moves
14 Rh7 loss in 2 half-moves