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

EGTB: win in 4 half-moves

# move score
1 Rg1 win in 3 half-moves
2 Ra1 draw
3 Rb2 draw
4 Rb3 draw
5 Rb4 draw
6 Rb8 draw
7 Rc1 draw
8 Rd1 draw
9 Re1 draw
10 Rb5 loss in 2 half-moves
11 Rb6 loss in 2 half-moves
12 Rb7 loss in 2 half-moves
13 Rf1 loss in 2 half-moves
14 Rh1 loss in 2 half-moves