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 Rb1 draw
3 Rb2 draw
4 Rb3 draw
5 Rb7 draw
6 Rb8 draw
7 Kb1 loss in 2 half-moves
8 Kb2 loss in 2 half-moves
9 Kc2 loss in 2 half-moves
10 Kd1 loss in 2 half-moves
11 Kd2 loss in 2 half-moves
12 Rb5 loss in 2 half-moves
13 Rc6 loss in 2 half-moves
14 Rd6 loss in 2 half-moves
15 Rf6 loss in 2 half-moves
16 Rh6 loss in 2 half-moves
17 Ra6 loss in 1 half-moves
18 Re6 loss in 1 half-moves
19 Rg6 loss in 1 half-moves