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

EGTB: win in 2 half-moves

# move score
1 Rb7 win in 1 half-moves
2 Re1 draw
3 Re2 draw
4 Re3 draw
5 K6g6 loss in 2 half-moves
6 K6g7 loss in 2 half-moves
7 K7g6 loss in 2 half-moves
8 K7g7 loss in 2 half-moves
9 Kg5 loss in 2 half-moves
10 Kg8 loss in 2 half-moves
11 Kh5 loss in 2 half-moves
12 Kh8 loss in 2 half-moves
13 Ra7 loss in 2 half-moves
14 Rc7 loss in 2 half-moves
15 Rd7 loss in 2 half-moves
16 Re4 loss in 2 half-moves
17 Re5 loss in 2 half-moves
18 Re6 loss in 2 half-moves
19 Re8 loss in 2 half-moves
20 Rf7 loss in 2 half-moves
21 Rg7 loss in 2 half-moves