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

EGTB: win in 2 half-moves

# move score
1 Rd8 win in 1 half-moves
2 Ka7 draw
3 Kb7 draw
4 Kb8 draw
5 Rb8 draw
6 Rc6 draw
7 Rc7 draw
8 Re8 draw
9 Rf8 draw
10 Rc1 loss in 4 half-moves
11 Rc2 loss in 2 half-moves
12 Rc3 loss in 2 half-moves
13 Rc4 loss in 2 half-moves
14 Rc5 loss in 2 half-moves
15 Rg8 loss in 2 half-moves
16 Rh8 loss in 2 half-moves