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