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

EGTB: win in 4 half-moves

# move score
1 Re1 win in 3 half-moves
2 Ra6 draw
3 Ra7 draw
4 Ra8 draw
5 Rc1 draw
6 Rd1 draw
7 Rf1 draw
8 Rg1 draw
9 Rh1 draw
10 Kb3 loss in 2 half-moves
11 Kb4 loss in 2 half-moves
12 Kb5 loss in 2 half-moves
13 Kcc3 loss in 2 half-moves
14 Kcc5 loss in 2 half-moves
15 Kcd3 loss in 2 half-moves
16 Kcd5 loss in 2 half-moves
17 Kdc3 loss in 2 half-moves
18 Kdc5 loss in 2 half-moves
19 Kdd3 loss in 2 half-moves
20 Kdd5 loss in 2 half-moves
21 Ke3 loss in 2 half-moves
22 Ke4 loss in 2 half-moves
23 Ke5 loss in 2 half-moves
24 Ra2 loss in 2 half-moves
25 Ra3 loss in 2 half-moves
26 Ra4 loss in 2 half-moves
27 Ra5 loss in 2 half-moves
28 Rb1 loss in 2 half-moves