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

EGTB: win in 2 half-moves

# move score
1 Rb7 win in 1 half-moves
2 Ka1 draw
3 Ka2 draw
4 Ka3 draw
5 Kb1 draw
6 Kb3 draw
7 Ra8 draw
8 Rb3 draw
9 Rb4 draw
10 Rb6 draw
11 Rc8 draw
12 Rd8 draw
13 Rf8 draw
14 Re8 loss in 4 half-moves
15 Rh8 loss in 4 half-moves
16 Kc1 loss in 2 half-moves
17 Kc2 loss in 2 half-moves
18 Kc3 loss in 2 half-moves
19 Rb5 loss in 2 half-moves
20 Rg8 loss in 2 half-moves