This is the song that plays in heart gold and soul silver when you fight lance and red. e---------------------6-----| B-4-4-4-4-544-44-44-44------| G---------------------------| D---------------------------| A---------------------------| E---------------------------| e---------7-----------------| B-44-44-44------------------| G---------------------------| D---------------------------| A---------------------------| E---------------------------| e------------6--7--6--------| B-44-44-44-44-44-44-4454----| G---------------------------| D---------------------------| A---------------------------| E---------------------------| e---6--7--9-10-11---12-----| B-44-44-44-44---------------| G---------------------------| D---------------------------| A---------------------------| E---------------------------| e-11--11-10-9-8-7---12------| B---11----------------------| G---------------------------| x2 D---------------------------| A---------------------------| E---------------------------| e-11-11-11-11-11-11-11-12---| B---------------------------| G---------------------------| D---------------------------| A---------------------------| E---------------------------| e-11-11-11-11-11-11-11-14---| B---------------------------| G---------------------------| D---------------------------| A---------------------------| E---------------------------| e-11--9---------------------| B---------------------------| G---------------------------| D---------------------------| A---------------------------| E--------11--12-------------| you could also try it on the low e string and the a string hope you like
https://primanota.net/misc-computer-games/pokemon-battle-theme-chords.htm