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

EGTB: win in 4 half-moves

# move score
1 Ra4 win in 3 half-moves
2 Ka1 draw
3 Ka3 draw
4 Kab1 draw
5 Kab2 draw
6 Kab3 draw
7 Kc1 draw
8 Kcb1 draw
9 Kcb2 draw
10 Kcb3 draw
11 Kd1 draw
12 Kd2 draw
13 Rb4 draw
14 Rf1 draw
15 Rf2 draw
16 Rf3 draw
17 Rf8 draw
18 Rg4 draw
19 Rh4 draw
20 Kc3 loss in 2 half-moves
21 Kd3 loss in 2 half-moves
22 Rc4 loss in 2 half-moves
23 Rd4 loss in 2 half-moves
24 Re4 loss in 2 half-moves
25 Rf5 loss in 2 half-moves
26 Rf6 loss in 2 half-moves
27 Rf7 loss in 2 half-moves