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

EGTB: win in 4 half-moves

# move score
1 Ka5 win in 3 half-moves
2 Kb5 win in 3 half-moves
3 Ra4 win in 3 half-moves
4 Rb4 win in 3 half-moves
5 Rc4 win in 5 half-moves
6 Re8 win in 5 half-moves
7 Ka8 draw
8 Kaa7 draw
9 Kab7 draw
10 Kb6 draw
11 Kba7 draw
12 Kbb7 draw
13 Rd4 draw
14 Re1 draw
15 Re2 draw
16 Re3 draw
17 Kc7 loss in 2 half-moves
18 Kc8 loss in 2 half-moves
19 Re5 loss in 2 half-moves
20 Re6 loss in 2 half-moves
21 Re7 loss in 2 half-moves
22 Rf4 loss in 2 half-moves
23 Rg4 loss in 2 half-moves
24 Rh4 loss in 2 half-moves