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

EGTB: win in 2 half-moves

# move score
1 Rb8 win in 1 half-moves
2 Rc7 win in 1 half-moves
3 Ra8 draw
4 Rc1 draw
5 Rc2 draw
6 Rh8 draw
7 Rc3 loss in 2 half-moves
8 Rc4 loss in 2 half-moves
9 Rc5 loss in 2 half-moves
10 Rc6 loss in 2 half-moves
11 Rd8 loss in 2 half-moves
12 Re8 loss in 2 half-moves
13 Rf8 loss in 2 half-moves
14 Rg8 loss in 2 half-moves