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 Re2 win in 3 half-moves
3 Re3 win in 3 half-moves
4 Re4 win in 3 half-moves
5 Ka1 draw
6 Ka3 draw
7 Kab2 draw
8 Kab3 draw
9 Kb1 draw
10 Kb4 draw
11 Kc2 draw
12 Kc4 draw
13 Kcb2 draw
14 Kcb3 draw
15 Kd2 draw
16 Kd3 draw
17 Kd4 draw
18 Ra6 draw
19 Rb6 draw
20 Rc6 draw
21 Rd6 draw
22 Re5 draw
23 Rf6 draw
24 Re7 loss in 2 half-moves
25 Re8 loss in 2 half-moves
26 Rg6 loss in 2 half-moves
27 Rh6 loss in 2 half-moves