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

EGTB: win in 2 half-moves

# move score
1 Rh8 win in 1 half-moves
2 Rg8 win in 3 half-moves
3 K6a7 draw
4 K6b7 draw
5 K8a7 draw
6 K8b7 draw
7 Ka5 draw
8 Kb5 draw
9 Kb6 draw
10 Kb8 draw
11 Rb8 draw
12 Rf3 draw
13 Rf4 draw
14 Rf5 draw
15 Rf6 draw
16 Rf7 draw
17 Rc8 loss in 2 half-moves
18 Rd8 loss in 2 half-moves
19 Re8 loss in 2 half-moves
20 Rf1 loss in 2 half-moves
21 Rf2 loss in 2 half-moves