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

EGTB: win in 4 half-moves

# move score
1 Ra8 win in 3 half-moves
2 Rb8 win in 3 half-moves
3 Rc8 draw
4 Rd8 draw
5 Re3 draw
6 Re4 draw
7 Re5 draw
8 Re7 draw
9 Rh8 draw
10 Ka3 loss in 2 half-moves
11 Kaa2 loss in 2 half-moves
12 Kab1 loss in 2 half-moves
13 Kb3 loss in 2 half-moves
14 Kba2 loss in 2 half-moves
15 Kbb1 loss in 2 half-moves
16 Kc1 loss in 2 half-moves
17 Kc2 loss in 2 half-moves
18 Kc3 loss in 2 half-moves
19 Re1 loss in 2 half-moves
20 Re2 loss in 2 half-moves
21 Re6 loss in 2 half-moves
22 Rf8 loss in 2 half-moves
23 Rg8 loss in 2 half-moves