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

EGTB: win in 4 half-moves

# move score
1 Ra1 win in 3 half-moves
2 Kb1 draw
3 Kb2 draw
4 Kb3 draw
5 Kc1 draw
6 Kcc3 draw
7 Kcd2 draw
8 Kd1 draw
9 Kdc3 draw
10 Kdd2 draw
11 Ke2 draw
12 Ke3 draw
13 Ra2 draw
14 Ra3 draw
15 Rb8 draw
16 Rc8 draw
17 Rg8 draw
18 Kc4 loss in 2 half-moves
19 Kd4 loss in 2 half-moves
20 Ke4 loss in 2 half-moves
21 Ra4 loss in 2 half-moves
22 Ra5 loss in 2 half-moves
23 Ra6 loss in 2 half-moves
24 Ra7 loss in 2 half-moves
25 Rd8 loss in 2 half-moves
26 Re8 loss in 2 half-moves
27 Rf8 loss in 2 half-moves
28 Rh8 loss in 2 half-moves