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

EGTB: win in 4 half-moves

# move score
1 Rb4 win in 3 half-moves
2 Ka1 draw
3 Ka2 draw
4 Ka3 draw
5 Kb1 draw
6 Kb3 draw
7 Kb5 draw
8 Kb6 draw
9 Kb7 draw
10 Kc1 draw
11 Kc2 draw
12 Kc3 draw
13 Kc5 draw
14 Kc7 draw
15 Ra4 draw
16 Rc4 draw
17 Rd4 draw
18 Re4 draw
19 Rf1 draw
20 Rf2 draw
21 Rf3 draw
22 Rf8 draw
23 Kd5 loss in 2 half-moves
24 Kd6 loss in 2 half-moves
25 Kd7 loss in 2 half-moves
26 Rf5 loss in 2 half-moves
27 Rf6 loss in 2 half-moves
28 Rf7 loss in 2 half-moves
29 Rg4 loss in 2 half-moves
30 Rh4 loss in 2 half-moves