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

EGTB: win in 2 half-moves

# move score
1 Ra3 win in 1 half-moves
2 Kb6 draw
3 Kb7 draw
4 Kc1 draw
5 Kc2 draw
6 Kc7 draw
7 Kd1 draw
8 Ke1 draw
9 Ke2 draw
10 Rb1 draw
11 Rb2 draw
12 Rb4 draw
13 Rb6 draw
14 Rb8 draw
15 Rc3 draw
16 Rh3 draw
17 Kb5 loss in 2 half-moves
18 Kc3 loss in 2 half-moves
19 Kc5 loss in 2 half-moves
20 Kd3 loss in 2 half-moves
21 Kd5 loss in 2 half-moves
22 Kd6 loss in 2 half-moves
23 Kd7 loss in 2 half-moves
24 Ke3 loss in 2 half-moves
25 Rb5 loss in 2 half-moves
26 Rb7 loss in 2 half-moves
27 Rd3 loss in 2 half-moves
28 Re3 loss in 2 half-moves
29 Rf3 loss in 2 half-moves
30 Rg3 loss in 2 half-moves