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 Rb4 win in 1 half-moves
3 Rb7 draw
4 Ra8 loss in 4 half-moves
5 Re8 loss in 4 half-moves
6 Rf8 loss in 4 half-moves
7 Rg8 loss in 4 half-moves
8 Rh8 loss in 4 half-moves
9 Ka1 loss in 2 half-moves
10 Ka2 loss in 2 half-moves
11 Kb2 loss in 2 half-moves
12 Kc1 loss in 2 half-moves
13 Kc2 loss in 2 half-moves
14 Rb2 loss in 2 half-moves
15 Rc8 loss in 2 half-moves
16 Rd8 loss in 2 half-moves
17 Rb5 loss in 1 half-moves
18 Rb6 loss in 1 half-moves