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

EGTB: win in 2 half-moves

# move score
1 Ra4 win in 1 half-moves
2 Kb1 draw
3 Kc2 draw
4 Kc4 draw
5 Kc5 draw
6 Kd1 draw
7 Kd2 draw
8 Kd4 draw
9 Ke4 draw
10 Ke5 draw
11 Rb4 draw
12 Rd4 draw
13 Rf1 draw
14 Rf2 draw
15 Rf3 draw
16 Rf5 draw
17 Rg4 draw
18 Rh4 draw
19 Kb2 loss in 2 half-moves
20 Kc6 loss in 2 half-moves
21 Kd6 loss in 2 half-moves
22 Ke6 loss in 2 half-moves
23 Rc4 loss in 2 half-moves
24 Re4 loss in 2 half-moves
25 Rf6 loss in 2 half-moves
26 Rf7 loss in 2 half-moves
27 Rf8 loss in 2 half-moves