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

EGTB: win in 2 half-moves

# move score
1 Rh8 win in 1 half-moves
2 Re1 draw
3 Re2 draw
4 Re3 draw
5 Ka7 loss in 2 half-moves
6 Ka8 loss in 2 half-moves
7 Kbb7 loss in 2 half-moves
8 Kbc7 loss in 2 half-moves
9 Kcb7 loss in 2 half-moves
10 Kcc7 loss in 2 half-moves
11 Kd7 loss in 2 half-moves
12 Kd8 loss in 2 half-moves
13 Rd8 loss in 2 half-moves
14 Re4 loss in 2 half-moves
15 Re5 loss in 2 half-moves
16 Re6 loss in 2 half-moves
17 Re7 loss in 2 half-moves
18 Rf8 loss in 2 half-moves
19 Rg8 loss in 2 half-moves