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 Kb1 draw
4 Kb2 draw
5 Kb3 draw
6 Rb1 draw
7 Ra4 loss in 10 half-moves
8 Ka1 loss in 8 half-moves
9 Rb7 loss in 8 half-moves
10 Rc4 loss in 4 half-moves
11 Rd4 loss in 4 half-moves
12 Rb2 loss in 2 half-moves
13 Rb3 loss in 2 half-moves
14 Rb5 loss in 2 half-moves
15 Rb6 loss in 2 half-moves
16 Re4 loss in 1 half-moves
17 Rf4 loss in 1 half-moves
18 Rg4 loss in 1 half-moves
19 Rh4 loss in 1 half-moves