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 Re6 win in 1 half-moves
3 Re8 win in 1 half-moves
4 R6b7 loss in 2 half-moves
5 R8b7 loss in 2 half-moves
6 Ra6 loss in 2 half-moves
7 Ra8 loss in 2 half-moves
8 Rb1 loss in 2 half-moves
9 Rb2 loss in 2 half-moves
10 Rb4 loss in 2 half-moves
11 Rb5 loss in 2 half-moves
12 Rc6 loss in 2 half-moves
13 Rc8 loss in 2 half-moves
14 Rd6 loss in 2 half-moves
15 Rd8 loss in 2 half-moves
16 Rf6 loss in 2 half-moves
17 Rf8 loss in 2 half-moves
18 Rg6 loss in 2 half-moves
19 Rg8 loss in 2 half-moves
20 Rh6 loss in 2 half-moves
21 Rh8 loss in 2 half-moves