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 Rb8 draw
3 Re4 draw
4 Re5 draw
5 Re6 draw
6 Re7 draw
7 Rf8 draw
8 Rg8 draw
9 Rh8 draw
10 Ka3 loss in 2 half-moves
11 Kaa1 loss in 2 half-moves
12 Kab2 loss in 2 half-moves
13 Kb3 loss in 2 half-moves
14 Kba1 loss in 2 half-moves
15 Kbb2 loss in 2 half-moves
16 Kc1 loss in 2 half-moves
17 Kc2 loss in 2 half-moves
18 Rc8 loss in 2 half-moves
19 Rd8 loss in 2 half-moves
20 Re1 loss in 2 half-moves
21 Re2 loss in 2 half-moves
22 Re3 loss in 2 half-moves