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

EGTB: win in 4 half-moves

# move score
1 Ka2 win in 3 half-moves
2 Kb2 win in 3 half-moves
3 Rc2 win in 3 half-moves
4 Rc3 win in 3 half-moves
5 Ra1 win in 7 half-moves
6 Rb1 win in 7 half-moves
7 Ka5 draw
8 Ka6 draw
9 Kaa4 draw
10 Kab4 draw
11 Kb3 draw
12 Kba4 draw
13 Kbb4 draw
14 Kc4 draw
15 Rc4 draw
16 Rc5 draw
17 Rg1 draw
18 Rh1 draw
19 Kb6 loss in 2 half-moves
20 Kc5 loss in 2 half-moves
21 Kc6 loss in 2 half-moves
22 Rc6 loss in 2 half-moves
23 Rc7 loss in 2 half-moves
24 Rc8 loss in 2 half-moves
25 Rd1 loss in 2 half-moves
26 Re1 loss in 2 half-moves
27 Rf1 loss in 2 half-moves