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

EGTB: win in 2 half-moves

# move score
1 Rb4 win in 1 half-moves
2 Kc7 draw
3 Kc8 draw
4 Rg7 draw
5 Rh7 draw
6 Ra7 loss in 16 half-moves
7 Ka7 loss in 14 half-moves
8 Rb5 loss in 12 half-moves
9 Ka8 loss in 10 half-moves
10 Rf7 loss in 4 half-moves
11 Rb1 loss in 2 half-moves
12 Rb2 loss in 2 half-moves
13 Rb3 loss in 2 half-moves
14 Rb6 loss in 2 half-moves
15 Rc7 loss in 2 half-moves
16 Rd7 loss in 2 half-moves
17 Re7 loss in 2 half-moves