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

EGTB: win in 4 half-moves

# move score
1 Rb5 win in 3 half-moves
2 Kd4 draw
3 Kd5 draw
4 Kee5 draw
5 Kef5 draw
6 Kfe5 draw
7 Kff5 draw
8 Kg3 draw
9 Kg4 draw
10 Kg5 draw
11 Ra4 draw
12 Rb6 draw
13 Rb7 draw
14 Rb8 draw
15 Kd3 loss in 2 half-moves
16 Kee3 loss in 2 half-moves
17 Kef3 loss in 2 half-moves
18 Kfe3 loss in 2 half-moves
19 Kff3 loss in 2 half-moves
20 Rb1 loss in 2 half-moves
21 Rb2 loss in 2 half-moves
22 Rb3 loss in 2 half-moves
23 Rc4 loss in 2 half-moves
24 Rd4 loss in 2 half-moves