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 Rc4 win in 3 half-moves
3 Rd4 win in 3 half-moves
4 Ka2 draw
5 Kab1 draw
6 Kab2 draw
7 Kc2 draw
8 Kcb1 draw
9 Kcb2 draw
10 Kd1 draw
11 Kd2 draw
12 Rb4 draw
13 Re3 draw
14 Re5 draw
15 Re6 draw
16 Re7 draw
17 Re8 draw
18 Rf4 draw
19 Re1 loss in 2 half-moves
20 Re2 loss in 2 half-moves
21 Rg4 loss in 2 half-moves
22 Rh4 loss in 2 half-moves