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

EGTB: win in 2 half-moves

# move score
1 Rb8 win in 1 half-moves
2 Re2 draw
3 Re3 draw
4 Re4 draw
5 K6g7 loss in 2 half-moves
6 K6h7 loss in 2 half-moves
7 K8g7 loss in 2 half-moves
8 K8h7 loss in 2 half-moves
9 Kg5 loss in 2 half-moves
10 Kg6 loss in 2 half-moves
11 Kg8 loss in 2 half-moves
12 Kh5 loss in 2 half-moves
13 Ra8 loss in 2 half-moves
14 Rc8 loss in 2 half-moves
15 Rd8 loss in 2 half-moves
16 Re1 loss in 2 half-moves
17 Re5 loss in 2 half-moves
18 Re6 loss in 2 half-moves
19 Re7 loss in 2 half-moves
20 Rf8 loss in 2 half-moves
21 Rg8 loss in 2 half-moves