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 Ka2 draw
3 Ka3 draw
4 Kb3 draw
5 Kc1 draw
6 Kc2 draw
7 Kc3 draw
8 Ra4 draw
9 Rf4 draw
10 Kb1 loss in 16 half-moves
11 Rb3 loss in 16 half-moves
12 Ka1 loss in 6 half-moves
13 Rh4 loss in 4 half-moves
14 Rb5 loss in 2 half-moves
15 Rb6 loss in 2 half-moves
16 Rb7 loss in 2 half-moves
17 Rc4 loss in 2 half-moves
18 Rd4 loss in 2 half-moves
19 Re4 loss in 2 half-moves
20 Rg4 loss in 2 half-moves