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 Kb7 win in 11 half-moves
3 Ka7 win in 17 half-moves
4 K5b6 draw
5 K6b6 draw
6 Ka4 draw
7 Ra8 draw
8 Rf8 draw
9 Rg8 draw
10 Rh1 draw
11 Rh5 draw
12 Rh6 draw
13 Rh7 draw
14 K5b5 loss in 2 half-moves
15 K6b5 loss in 2 half-moves
16 Kb4 loss in 2 half-moves
17 Rc8 loss in 2 half-moves
18 Rd8 loss in 2 half-moves
19 Re8 loss in 2 half-moves
20 Rh2 loss in 2 half-moves
21 Rh3 loss in 2 half-moves
22 Rh4 loss in 2 half-moves