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

EGTB: win in 2 half-moves

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