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

EGTB: win in 2 half-moves

# move score
1 Rb5 win in 1 half-moves
2 Rb6 win in 1 half-moves
3 Rd4 win in 1 half-moves
4 Rd5 win in 1 half-moves
5 Rb1 loss in 2 half-moves
6 Rb2 loss in 2 half-moves
7 Rb3 loss in 2 half-moves
8 Rb4 loss in 2 half-moves
9 Rb7 loss in 2 half-moves
10 Rbc8 loss in 2 half-moves
11 Rd1 loss in 2 half-moves
12 Rd2 loss in 2 half-moves
13 Rd3 loss in 2 half-moves
14 Rd6 loss in 2 half-moves
15 Rd7 loss in 2 half-moves
16 Rdc8 loss in 2 half-moves
17 Rf8 loss in 2 half-moves
18 Rg8 loss in 2 half-moves
19 Rh8 loss in 2 half-moves
20 Ra8 loss in 1 half-moves
21 Re8 loss in 1 half-moves