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

EGTB: win in 4 half-moves

# move score
1 Ra2 win in 3 half-moves
2 Rc2 win in 3 half-moves
3 Rd2 win in 3 half-moves
4 Ka6 draw
5 Ka8 draw
6 Kab6 draw
7 Kab7 draw
8 Kab8 draw
9 Kc6 draw
10 Kc8 draw
11 Kcb6 draw
12 Kcb7 draw
13 Kcb8 draw
14 Rb2 draw
15 Re1 draw
16 Re3 draw
17 Re4 draw
18 Re5 draw
19 Kd6 loss in 2 half-moves
20 Kd7 loss in 2 half-moves
21 Kd8 loss in 2 half-moves
22 Re6 loss in 2 half-moves
23 Re7 loss in 2 half-moves
24 Re8 loss in 2 half-moves
25 Rf2 loss in 2 half-moves
26 Rg2 loss in 2 half-moves
27 Rh2 loss in 2 half-moves