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

EGTB: win in 6 half-moves

# move score
1 Rb8 win in 5 half-moves
2 Ra8 win in 7 half-moves
3 Rc8 win in 7 half-moves
4 Rd8 win in 7 half-moves
5 Ka3 draw
6 Ka4 draw
7 Ka5 draw
8 Ka6 draw
9 Ka8 draw
10 Kb3 draw
11 Kb5 draw
12 Kb6 draw
13 Kb7 draw
14 Kb8 draw
15 Kc3 draw
16 Kc4 draw
17 Kc5 draw
18 Re2 draw
19 Re6 draw
20 Re7 draw
21 Re1 loss in 2 half-moves
22 Re3 loss in 2 half-moves
23 Re4 loss in 2 half-moves
24 Re5 loss in 2 half-moves
25 Rf8 loss in 2 half-moves
26 Rg8 loss in 2 half-moves
27 Rh8 loss in 2 half-moves