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

EGTB: win in 6 half-moves

# move score
1 Ra8 win in 5 half-moves
2 Re1 draw
3 Re2 draw
4 Re3 draw
5 Re7 draw
6 Rf8 draw
7 Rg8 draw
8 Rh8 draw
9 K1a2 loss in 2 half-moves
10 K1b2 loss in 2 half-moves
11 K3a2 loss in 2 half-moves
12 K3b2 loss in 2 half-moves
13 Ka4 loss in 2 half-moves
14 Kb1 loss in 2 half-moves
15 Kb3 loss in 2 half-moves
16 Kb4 loss in 2 half-moves
17 Rb8 loss in 2 half-moves
18 Rc8 loss in 2 half-moves
19 Rd8 loss in 2 half-moves
20 Re4 loss in 2 half-moves
21 Re5 loss in 2 half-moves
22 Re6 loss in 2 half-moves