Click on the third or sixth rank to set the en passant target square.

EGTB: win in 2 half-moves

# move score
1 Rb8 win in 1 half-moves
2 Ka3 draw
3 Kb3 draw
4 Kc2 draw
5 Kc3 draw
6 Ra5 loss in 24 half-moves
7 Rc5 loss in 22 half-moves
8 Ka2 loss in 12 half-moves
9 Kb1 loss in 10 half-moves
10 Kc1 loss in 10 half-moves
11 Rb6 loss in 10 half-moves
12 Ka1 loss in 6 half-moves
13 Rd5 loss in 4 half-moves
14 Rb3 loss in 2 half-moves
15 Rb4 loss in 2 half-moves
16 Rb7 loss in 2 half-moves
17 Re5 loss in 2 half-moves
18 Rg5 loss in 2 half-moves
19 Rh5 loss in 2 half-moves
20 Rf5 loss in 1 half-moves