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

EGTB: win in 8 half-moves

# move score
1 Re1 win in 7 half-moves
2 Re2 draw
3 Re3 draw
4 Re7 draw
5 Rh8 draw
6 Ka1 loss in 2 half-moves
7 Ka4 loss in 2 half-moves
8 Kaa2 loss in 2 half-moves
9 Kab3 loss in 2 half-moves
10 Kb1 loss in 2 half-moves
11 Kb4 loss in 2 half-moves
12 Kba2 loss in 2 half-moves
13 Kbb3 loss in 2 half-moves
14 Kc1 loss in 2 half-moves
15 Kc2 loss in 2 half-moves
16 Kc3 loss in 2 half-moves
17 Ra8 loss in 2 half-moves
18 Rb8 loss in 2 half-moves
19 Rc8 loss in 2 half-moves
20 Rd8 loss in 2 half-moves
21 Re4 loss in 2 half-moves
22 Re5 loss in 2 half-moves
23 Re6 loss in 2 half-moves
24 Rf8 loss in 2 half-moves
25 Rg8 loss in 2 half-moves