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

EGTB: win in 2 half-moves

# move score
1 Rg7 win in 1 half-moves
2 Ra7 draw
3 Rb7 draw
4 Rc7 draw
5 Rd7 draw
6 Re7 draw
7 Rf2 draw
8 Rf3 draw
9 Rf4 draw
10 Rf5 draw
11 K2b1 loss in 2 half-moves
12 Ka3 loss in 2 half-moves
13 Kb3 loss in 2 half-moves
14 K1b1 loss in 1 half-moves
15 K1b2 loss in 1 half-moves
16 K2b2 loss in 1 half-moves
17 Rf1 loss in 1 half-moves
18 Rf6 loss in 1 half-moves
19 Rf8 loss in 1 half-moves
20 Rh7 loss in 1 half-moves