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 Rb3 draw
3 Rb7 draw
4 Rb8 draw
5 Rc6 draw
6 Rd6 draw
7 Re6 draw
8 Rf6 draw
9 Rg6 draw
10 Rh6 draw
11 Ka1 loss in 2 half-moves
12 Ka2 loss in 2 half-moves
13 Ka3 loss in 2 half-moves
14 Kb1 loss in 2 half-moves
15 Kb3 loss in 2 half-moves
16 Kc1 loss in 2 half-moves
17 Kc2 loss in 2 half-moves
18 Kc3 loss in 2 half-moves
19 Ra6 loss in 2 half-moves
20 Rb4 loss in 2 half-moves