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

EGTB: win in 4 half-moves

# move score
1 Re1 win in 3 half-moves
2 Re2 win in 3 half-moves
3 Kaa2 draw
4 Kab2 draw
5 Kba2 draw
6 Kbb2 draw
7 Kc1 draw
8 Kc2 draw
9 Rd5 draw
10 Re3 draw
11 Re4 draw
12 Re6 draw
13 Rf5 draw
14 Rg5 draw
15 Rh5 draw
16 Ra5 loss in 2 half-moves
17 Rb5 loss in 2 half-moves
18 Rc5 loss in 2 half-moves
19 Re7 loss in 2 half-moves
20 Re8 loss in 2 half-moves