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

EGTB: win in 2 half-moves

# move score
1 Rb3 win in 1 half-moves
2 Kb5 draw
3 Kb6 draw
4 Kb7 draw
5 Kc5 draw
6 Kc7 draw
7 Kg4 draw
8 Kg5 draw
9 Kh4 draw
10 Ra4 draw
11 Rb1 draw
12 Rb2 draw
13 Rb5 draw
14 Rb6 draw
15 Rc4 draw
16 Rd4 draw
17 Re4 draw
18 Rh4 draw
19 Kd5 loss in 2 half-moves
20 Kd6 loss in 2 half-moves
21 Kd7 loss in 2 half-moves
22 Kg6 loss in 2 half-moves
23 Kh6 loss in 2 half-moves
24 Rb7 loss in 2 half-moves
25 Rb8 loss in 2 half-moves
26 Rf4 loss in 2 half-moves
27 Rg4 loss in 2 half-moves