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 Rb7 win in 3 half-moves
3 Rb8 win in 13 half-moves
4 Kb5 draw
5 Kb6 draw
6 Kb7 draw
7 Kc8 draw
8 Kcc7 draw
9 Kcd7 draw
10 Kd6 draw
11 Kdc7 draw
12 Kdd7 draw
13 Ke7 draw
14 Ke8 draw
15 Ra4 draw
16 Rb6 draw
17 Rh4 draw
18 Kc5 loss in 2 half-moves
19 Kd5 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
25 Re4 loss in 2 half-moves
26 Rf4 loss in 2 half-moves
27 Rg4 loss in 2 half-moves