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

EGTB: win in 6 half-moves

# move score
1 Ra4 win in 5 half-moves
2 Rb4 draw
3 Re5 draw
4 Re6 draw
5 Re7 draw
6 Re8 draw
7 Rf4 draw
8 Rg4 draw
9 Rh4 draw
10 Kaa1 loss in 2 half-moves
11 Kaa3 loss in 2 half-moves
12 Kab1 loss in 2 half-moves
13 Kab3 loss in 2 half-moves
14 Kba1 loss in 2 half-moves
15 Kba3 loss in 2 half-moves
16 Kbb1 loss in 2 half-moves
17 Kbb3 loss in 2 half-moves
18 Kc1 loss in 2 half-moves
19 Kc2 loss in 2 half-moves
20 Kc3 loss in 2 half-moves
21 Rc4 loss in 2 half-moves
22 Rd4 loss in 2 half-moves
23 Re1 loss in 2 half-moves
24 Re2 loss in 2 half-moves
25 Re3 loss in 2 half-moves