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 Kd2 draw
3 Kd3 draw
4 Ke2 draw
5 Kf2 draw
6 Kf3 draw
7 Kg8 draw
8 Kh6 draw
9 Kh7 draw
10 Kh8 draw
11 Rb1 draw
12 Rb2 draw
13 Rb3 draw
14 Rb5 draw
15 Rg4 draw
16 Rh4 draw
17 Kd4 loss in 2 half-moves
18 Ke4 loss in 2 half-moves
19 Kf4 loss in 2 half-moves
20 Kf6 loss in 2 half-moves
21 Kf7 loss in 2 half-moves
22 Kf8 loss in 2 half-moves
23 Kg6 loss in 2 half-moves
24 Rb6 loss in 2 half-moves
25 Rb7 loss in 2 half-moves
26 Rb8 loss in 2 half-moves
27 Rc4 loss in 2 half-moves
28 Rd4 loss in 2 half-moves
29 Re4 loss in 2 half-moves
30 Rf4 loss in 2 half-moves