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 Ka3 draw
3 Kb3 draw
4 Kc3 draw
5 Ra6 loss in 18 half-moves
6 Kc2 loss in 16 half-moves
7 Rb7 loss in 12 half-moves
8 Rb8 loss in 12 half-moves
9 Kb1 loss in 10 half-moves
10 Kc1 loss in 10 half-moves
11 Rc6 loss in 8 half-moves
12 Ka1 loss in 6 half-moves
13 Ka2 loss in 6 half-moves
14 Rd6 loss in 4 half-moves
15 Rb3 loss in 2 half-moves
16 Rb4 loss in 2 half-moves
17 Re6 loss in 2 half-moves
18 Rf6 loss in 2 half-moves
19 Rh6 loss in 2 half-moves
20 Rg6 loss in 1 half-moves