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

EGTB: win in 4 half-moves

# move score
1 Rb8 win in 3 half-moves
2 Ka7 win in 5 half-moves
3 Kb7 win in 5 half-moves
4 Re6 win in 5 half-moves
5 Re7 win in 5 half-moves
6 K5b5 draw
7 K5b6 draw
8 K6b5 draw
9 K6b6 draw
10 Ka4 draw
11 Kb4 draw
12 Ra8 draw
13 Rc8 draw
14 Rd8 draw
15 Re1 draw
16 Re2 draw
17 Re3 loss in 2 half-moves
18 Re4 loss in 2 half-moves
19 Re5 loss in 2 half-moves
20 Rf8 loss in 2 half-moves
21 Rg8 loss in 2 half-moves
22 Rh8 loss in 2 half-moves