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 Kc7 draw
3 Kc8 draw
4 Rb1 draw
5 Rb6 draw
6 Rb7 draw
7 Rc4 draw
8 Rd4 draw
9 Re4 draw
10 Rf4 draw
11 Ka7 loss in 2 half-moves
12 Ka8 loss in 2 half-moves
13 Kb7 loss in 2 half-moves
14 Kg1 loss in 2 half-moves
15 Kg2 loss in 2 half-moves
16 Kh2 loss in 2 half-moves
17 Ra4 loss in 2 half-moves
18 Rb2 loss in 2 half-moves
19 Rb3 loss in 2 half-moves
20 Rg4 loss in 2 half-moves
21 Rh4 loss in 2 half-moves