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

EGTB: win in 2 half-moves

# move score
1 Ra2 win in 1 half-moves
2 Kf3 loss in 12 half-moves
3 Kg3 loss in 12 half-moves
4 Rb2 loss in 12 half-moves
5 Rc1 loss in 12 half-moves
6 Rd2 loss in 12 half-moves
7 Kh2 loss in 10 half-moves
8 Kh3 loss in 10 half-moves
9 Rc3 loss in 8 half-moves
10 Kf1 loss in 6 half-moves
11 Kf2 loss in 6 half-moves
12 Kg1 loss in 6 half-moves
13 Kh1 loss in 6 half-moves
14 Rc4 loss in 4 half-moves
15 Rc5 loss in 2 half-moves
16 Rc6 loss in 2 half-moves
17 Rc7 loss in 2 half-moves
18 Re2 loss in 2 half-moves
19 Rf2 loss in 2 half-moves
20 Rc8 loss in 1 half-moves