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

EGTB: win in 4 half-moves

# move score
1 Kb1 win in 3 half-moves
2 Kb2 win in 3 half-moves
3 Rb7 win in 3 half-moves
4 Rc7 win in 3 half-moves
5 Rd7 win in 3 half-moves
6 Ra2 win in 5 half-moves
7 Kc3 draw
8 Kc4 draw
9 Kcc2 draw
10 Kcd2 draw
11 Kd1 draw
12 Kd4 draw
13 Kdc2 draw
14 Kdd2 draw
15 Ra1 draw
16 Ra3 draw
17 Ra6 draw
18 Ra8 draw
19 Re7 draw
20 Rf7 draw
21 Ke2 loss in 2 half-moves
22 Ke3 loss in 2 half-moves
23 Ke4 loss in 2 half-moves
24 Ra4 loss in 2 half-moves
25 Ra5 loss in 2 half-moves
26 Rg7 loss in 2 half-moves
27 Rh7 loss in 2 half-moves