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

EGTB: win in 4 half-moves

# move score
1 Ka4 win in 3 half-moves
2 Ra3 win in 3 half-moves
3 Rb3 win in 3 half-moves
4 Kb4 win in 5 half-moves
5 Kc4 win in 5 half-moves
6 Re4 win in 5 half-moves
7 Re5 win in 5 half-moves
8 Re6 win in 5 half-moves
9 Ka5 draw
10 Ka6 draw
11 Ka7 draw
12 Kb6 draw
13 Kb7 draw
14 Kb8 draw
15 Kc5 draw
16 Kc6 draw
17 Rc3 draw
18 Rd3 draw
19 Re1 draw
20 Re2 draw
21 Rf3 draw
22 Re7 loss in 2 half-moves
23 Re8 loss in 2 half-moves
24 Rg3 loss in 2 half-moves
25 Rh3 loss in 2 half-moves