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

EGTB: win in 8 half-moves

# move score
1 Ra8 win in 7 half-moves
2 Rd8 draw
3 Re1 draw
4 K5b5 loss in 2 half-moves
5 K5b6 loss in 2 half-moves
6 K6b5 loss in 2 half-moves
7 K6b6 loss in 2 half-moves
8 Ka4 loss in 2 half-moves
9 Ka7 loss in 2 half-moves
10 Kb4 loss in 2 half-moves
11 Kb7 loss in 2 half-moves
12 Rb8 loss in 2 half-moves
13 Rc8 loss in 2 half-moves
14 Re2 loss in 2 half-moves
15 Re3 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 Re7 loss in 2 half-moves
20 Rf8 loss in 2 half-moves
21 Rg8 loss in 2 half-moves
22 Rh8 loss in 2 half-moves