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

EGTB: win in 2 half-moves

# move score
1 Rb3 win in 1 half-moves
2 Rc1 win in 1 half-moves
3 Rc2 win in 1 half-moves
4 Re1 win in 1 half-moves
5 Re2 win in 1 half-moves
6 Ra3 loss in 2 half-moves
7 Rc4 loss in 2 half-moves
8 Rc5 loss in 2 half-moves
9 Rc6 loss in 2 half-moves
10 Rc7 loss in 2 half-moves
11 Rc8 loss in 2 half-moves
12 Rcd3 loss in 2 half-moves
13 Re4 loss in 2 half-moves
14 Re5 loss in 2 half-moves
15 Re6 loss in 2 half-moves
16 Re7 loss in 2 half-moves
17 Re8 loss in 2 half-moves
18 Red3 loss in 2 half-moves
19 Rf3 loss in 2 half-moves
20 Rg3 loss in 2 half-moves
21 Rh3 loss in 2 half-moves