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 Kb7 draw
4 Rc2 draw
5 Rc3 draw
6 Rd8 draw
7 Rf8 draw
8 Rg8 draw
9 Ka8 loss in 2 half-moves
10 Kc7 loss in 2 half-moves
11 Rc1 loss in 2 half-moves
12 Rc5 loss in 2 half-moves
13 Rc6 loss in 2 half-moves
14 Rc7 loss in 2 half-moves
15 Re8 loss in 2 half-moves
16 Rc4 loss in 1 half-moves