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

EGTB: win in 4 half-moves

# move score
1 Ra4 win in 3 half-moves
2 Rb4 win in 3 half-moves
3 Rc4 win in 5 half-moves
4 Ka5 draw
5 Ka6 draw
6 Kaa7 draw
7 Kab7 draw
8 Kb5 draw
9 Kb8 draw
10 Kba7 draw
11 Kbb7 draw
12 Kc5 draw
13 Kc6 draw
14 Kc7 draw
15 Rd4 draw
16 Re3 draw
17 Re5 draw
18 Re6 draw
19 Re7 draw
20 Re8 draw
21 Re1 loss in 2 half-moves
22 Re2 loss in 2 half-moves
23 Rf4 loss in 2 half-moves
24 Rg4 loss in 2 half-moves
25 Rh4 loss in 2 half-moves