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 Rb7 draw
3 Rb8 draw
4 Rc6 draw
5 Rd6 draw
6 Rf6 draw
7 Rg6 draw
8 Rh6 draw
9 Ka1 loss in 2 half-moves
10 Ka2 loss in 2 half-moves
11 Ka3 loss in 2 half-moves
12 Kb1 loss in 2 half-moves
13 Kb3 loss in 2 half-moves
14 Kc1 loss in 2 half-moves
15 Kc2 loss in 2 half-moves
16 Kc3 loss in 2 half-moves
17 Ra6 loss in 2 half-moves
18 Rb3 loss in 2 half-moves
19 Rb5 loss in 2 half-moves
20 Re6 loss in 2 half-moves