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 Rf5 win in 3 half-moves
3 Ra8 win in 7 half-moves
4 K3b3 draw
5 K3b4 draw
6 K4b3 draw
7 K4b4 draw
8 Ka2 draw
9 Ka5 draw
10 Kb2 draw
11 Kb5 draw
12 Rc8 draw
13 Rd8 draw
14 Re8 draw
15 Rf1 draw
16 Rf6 draw
17 Rf7 draw
18 Rf2 loss in 2 half-moves
19 Rf3 loss in 2 half-moves
20 Rf4 loss in 2 half-moves
21 Rg8 loss in 2 half-moves
22 Rh8 loss in 2 half-moves