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

EGTB: win in 2 half-moves

# move score
1 Rb2 win in 1 half-moves
2 Ra2 loss in 6 half-moves
3 Kg1 loss in 2 half-moves
4 Kg2 loss in 2 half-moves
5 Kh2 loss in 2 half-moves
6 Rc1 loss in 2 half-moves
7 Rc3 loss in 2 half-moves
8 Rc4 loss in 2 half-moves
9 Rd2 loss in 2 half-moves
10 Re2 loss in 2 half-moves
11 Rf2 loss in 2 half-moves
12 Rg2 loss in 2 half-moves
13 Rh2 loss in 2 half-moves
14 Rc5 loss in 1 half-moves
15 Rc6 loss in 1 half-moves
16 Rc7 loss in 1 half-moves
17 Rc8 loss in 1 half-moves