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 Rb2 win in 3 half-moves
4 Kcd1 draw
5 Kcd2 draw
6 Ked1 draw
7 Ked2 draw
8 Kf1 draw
9 Kf2 draw
10 Ra1 draw
11 Ra7 draw
12 Rc2 draw
13 Rd2 draw
14 Rg2 draw
15 Rh2 draw
16 Kc2 loss in 2 half-moves
17 Ke2 loss in 2 half-moves
18 Ra3 loss in 2 half-moves
19 Ra4 loss in 2 half-moves
20 Ra5 loss in 2 half-moves
21 Ra6 loss in 2 half-moves
22 Ra8 loss in 2 half-moves
23 Re2 loss in 2 half-moves
24 Rf2 loss in 2 half-moves