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 Ka7 draw
3 Kb6 draw
4 Kb8 draw
5 Kc6 draw
6 Kc7 draw
7 Ra8 draw
8 Rb8 draw
9 Rc1 draw
10 Rc6 draw
11 Rc7 draw
12 Rd8 draw
13 Re8 draw
14 Rg8 draw
15 Rc4 loss in 18 half-moves
16 Ka6 loss in 6 half-moves
17 Ka8 loss in 2 half-moves
18 Rc5 loss in 2 half-moves
19 Rf8 loss in 2 half-moves
20 Rc2 loss in 1 half-moves
21 Rc3 loss in 1 half-moves