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 Ka1 draw
3 Ka2 draw
4 Ka3 draw
5 Kb1 draw
6 Kb3 draw
7 Kc3 draw
8 Ra4 draw
9 Rb3 draw
10 Rb6 draw
11 Rb7 draw
12 Rc4 draw
13 Rd4 draw
14 Re4 draw
15 Kc1 loss in 2 half-moves
16 Kc2 loss in 2 half-moves
17 Rb8 loss in 2 half-moves
18 Rf4 loss in 2 half-moves
19 Rg4 loss in 2 half-moves
20 Rh4 loss in 2 half-moves