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 Kd7 draw
3 Kd8 draw
4 Ke2 draw
5 Ke3 draw
6 Ke7 draw
7 Kf2 draw
8 Kg2 draw
9 Kg3 draw
10 Rb1 draw
11 Rb2 draw
12 Rb3 draw
13 Rb5 draw
14 Rb8 draw
15 Rc4 draw
16 Rd4 draw
17 Re4 draw
18 Ke4 loss in 2 half-moves
19 Kf4 loss in 2 half-moves
20 Kf7 loss in 2 half-moves
21 Kf8 loss in 2 half-moves
22 Kg4 loss in 2 half-moves
23 Rb6 loss in 2 half-moves
24 Rb7 loss in 2 half-moves
25 Rf4 loss in 2 half-moves
26 Rg4 loss in 2 half-moves
27 Rh4 loss in 2 half-moves