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 Rf8 win in 3 half-moves
3 Rc3 draw
4 Rc4 draw
5 Rc5 draw
6 Kf7 loss in 2 half-moves
7 Kf8 loss in 2 half-moves
8 Kgg7 loss in 2 half-moves
9 Kgh7 loss in 2 half-moves
10 Khg7 loss in 2 half-moves
11 Khh7 loss in 2 half-moves
12 Ra8 loss in 2 half-moves
13 Rc1 loss in 2 half-moves
14 Rc2 loss in 2 half-moves
15 Rc6 loss in 2 half-moves
16 Rc7 loss in 2 half-moves
17 Rd8 loss in 2 half-moves
18 Re8 loss in 2 half-moves