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

EGTB: win in 4 half-moves

# move score
1 Kb3 win in 3 half-moves
2 Kc3 win in 3 half-moves
3 Ra4 win in 3 half-moves
4 Rb4 win in 3 half-moves
5 Rc4 win in 3 half-moves
6 Rd4 win in 3 half-moves
7 Ka1 draw
8 Ka2 draw
9 Kbb2 draw
10 Kbc1 draw
11 Kcb2 draw
12 Kcc1 draw
13 Re4 draw
14 Rf5 draw
15 Rf6 draw
16 Rf7 draw
17 Rf8 draw
18 Kd1 loss in 2 half-moves
19 Kd2 loss in 2 half-moves
20 Kd3 loss in 2 half-moves
21 Rf1 loss in 2 half-moves
22 Rf2 loss in 2 half-moves
23 Rf3 loss in 2 half-moves
24 Rg4 loss in 2 half-moves
25 Rh4 loss in 2 half-moves