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 Ka3 draw
3 Kb3 draw
4 Kc3 draw
5 Rb5 draw
6 Rb6 draw
7 Rc7 draw
8 Rd7 draw
9 Re7 draw
10 Ka1 loss in 2 half-moves
11 Ka2 loss in 2 half-moves
12 Kb1 loss in 2 half-moves
13 Kc1 loss in 2 half-moves
14 Kc2 loss in 2 half-moves
15 Ra7 loss in 2 half-moves
16 Rb3 loss in 2 half-moves
17 Rb8 loss in 2 half-moves
18 Rf7 loss in 2 half-moves
19 Rg7 loss in 2 half-moves
20 Rh7 loss in 2 half-moves