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

EGTB: win in 4 half-moves

# move score
1 Rf1 win in 3 half-moves
2 Ra5 draw
3 Ra6 draw
4 Ra7 draw
5 Ra8 draw
6 Rc1 draw
7 Rd1 draw
8 Re1 draw
9 Rg1 draw
10 Rh1 draw
11 Kb2 loss in 2 half-moves
12 Kb3 loss in 2 half-moves
13 Kb4 loss in 2 half-moves
14 Kc2 loss in 2 half-moves
15 Kc4 loss in 2 half-moves
16 Kcd2 loss in 2 half-moves
17 Kcd3 loss in 2 half-moves
18 Kcd4 loss in 2 half-moves
19 Ke2 loss in 2 half-moves
20 Ke4 loss in 2 half-moves
21 Ked2 loss in 2 half-moves
22 Ked3 loss in 2 half-moves
23 Ked4 loss in 2 half-moves
24 Kf2 loss in 2 half-moves
25 Kf3 loss in 2 half-moves
26 Kf4 loss in 2 half-moves
27 Ra2 loss in 2 half-moves
28 Ra3 loss in 2 half-moves
29 Ra4 loss in 2 half-moves
30 Rb1 loss in 2 half-moves