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

EGTB: win in 4 half-moves

# move score
1 Rc1 win in 3 half-moves
2 Ra1 win in 5 half-moves
3 Rb1 win in 5 half-moves
4 Re6 win in 5 half-moves
5 Re7 win in 5 half-moves
6 Ka4 draw
7 Ka7 draw
8 Kaa6 draw
9 Kab5 draw
10 Kb4 draw
11 Kb7 draw
12 Kba6 draw
13 Kbb5 draw
14 Kc5 draw
15 Kc6 draw
16 Kc7 draw
17 Rd1 draw
18 Re2 draw
19 Re8 draw
20 Rf1 draw
21 Re3 loss in 2 half-moves
22 Re4 loss in 2 half-moves
23 Re5 loss in 2 half-moves
24 Rg1 loss in 2 half-moves
25 Rh1 loss in 2 half-moves